======================================
| xx__-> [    9.325919][  T198] ------------[ cut here ]------------
| [    9.326210][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [    9.326491][  T198] Modules linked in:
| [    9.327024][  T198] Tainted: [W]=WARN
[    9.327168][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.327374][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.327591][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.328192][  T198] RSP: 0018:ffa0000000947a80 EFLAGS: 00010286
[    9.328405][  T198] RAX: 00000000ffffffa6 RBX: ff1100000aaa4e40 RCX: 1ff4000000128f16
[    9.328644][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aaa4efc
[    9.328893][  T198] RBP: ff1100000a924000 R08: 1fe22000015549e1 R09: ff1100000fe18b80
[    9.329156][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.329397][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a924000
[    9.329636][  T198] FS:  00007f29b6518840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[    9.329915][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.330147][  T198] CR2: 0000000000479648 CR3: 000000000e2eb005 CR4: 0000000000771ef0
[    9.330388][  T198] PKRU: 55555554
[    9.330530][  T198] Call Trace:
[    9.330673][  T198]  <TASK>
[    9.330787][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.330970][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.331162][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.331320][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.331498][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.331705][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.331889][  T198]  register_netdev (net/core/dev.c:11552)
[    9.332081][  T198]  loopback_net_init (drivers/net/loopback.c:218)
[    9.332259][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.332405][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.332549][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.332734][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.332920][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.333116][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.333294][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.333472][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.333648][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.333843][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.334035][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.334210][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.334388][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.334566][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.334741][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.334925][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.335115][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.335304][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.335478][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.335684][  T198] RIP: 0033:0x7f29b67dabcb
[    9.335874][  T198] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.336394][  T198] RSP: 002b:00007ffec0731eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.336634][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f29b67dabcb
[    9.336877][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.337126][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.337362][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffec07340e0
[    9.337610][  T198] R13: 0000000000000001 R14: 00007f29b65186f8 R15: 00007ffec0735884
| [    9.342492][  T198] ------------[ cut here ]------------
| [    9.342673][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [    9.342949][  T198] Modules linked in:
| [    9.343477][  T198] Tainted: [W]=WARN
[    9.343618][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.343843][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.344068][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.344563][  T198] RSP: 0018:ffa0000000947918 EFLAGS: 00010286
[    9.344782][  T198] RAX: 00000000ffffffa6 RBX: ff1100000da15c40 RCX: 1ff4000000128ee9
[    9.345035][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da15cfc
[    9.345270][  T198] RBP: ff11000008f6c000 R08: 1fe2200001b42ba1 R09: ff1100000fe18b80
[    9.345507][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.345741][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f6c000
[    9.346012][  T198] FS:  00007f29b6518840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[    9.346281][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.346486][  T198] CR2: 0000000000479648 CR3: 000000000e2eb005 CR4: 0000000000771ef0
[    9.346725][  T198] PKRU: 55555554
[    9.346875][  T198] Call Trace:
[    9.347043][  T198]  <TASK>
[    9.347156][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.347330][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.347502][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.347647][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.347831][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.348050][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.348237][  T198]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.348412][  T198]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.348583][  T198]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.348758][  T198]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.348940][  T198]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.349129][  T198]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.349305][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.349449][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.349604][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.349775][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.349957][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.350147][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.350322][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.350496][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.350668][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.350860][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.351044][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.351216][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.351388][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.351562][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.351731][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.351909][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.352107][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.352280][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.352452][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.352653][  T198] RIP: 0033:0x7f29b67dabcb
[    9.352834][  T198] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.353349][  T198] RSP: 002b:00007ffec0731eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.353585][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f29b67dabcb
[    9.353820][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.354063][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.354306][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffec07340e0
[    9.354539][  T198] R13: 0000000000000001 R14: 00007f29b65186f8 R15: 00007ffec0735884
| [    9.358816][  T198] ------------[ cut here ]------------
| [    9.359019][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [    9.359310][  T198] Modules linked in:
| [    9.359766][  T198] Tainted: [W]=WARN
[    9.360022][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.360240][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.360454][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.361057][  T198] RSP: 0018:ffa00000009478f8 EFLAGS: 00010286
[    9.361277][  T198] RAX: 00000000ffffffa6 RBX: ff1100000294b8c0 RCX: 1ff4000000128ee5
[    9.361596][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000294b97c
[    9.361835][  T198] RBP: ff110000092e9000 R08: 1fe2200000529731 R09: ff1100000fe18b80
[    9.362170][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.362406][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000092e9000
[    9.362664][  T198] FS:  00007f29b6518840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[    9.363035][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.363246][  T198] CR2: 0000000000479648 CR3: 000000000e2eb005 CR4: 0000000000771ef0
[    9.363484][  T198] PKRU: 55555554
[    9.363728][  T198] Call Trace:
[    9.363891][  T198]  <TASK>
[    9.364016][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.364194][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.364366][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.364595][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.364771][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.364996][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.365184][  T198]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.365444][  T198]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.365618][  T198]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.365792][  T198]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.365979][  T198]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.366252][  T198]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.366427][  T198]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.366602][  T198]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.366790][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.367043][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.367189][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.367363][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.367539][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.367717][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.368002][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.368193][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.368368][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.368543][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.368813][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.369000][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.369175][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.369353][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.369625][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.369800][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.370045][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.370223][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.370485][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.370690][  T198] RIP: 0033:0x7f29b67dabcb
[    9.370880][  T198] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.371488][  T198] RSP: 002b:00007ffec0731eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.371972][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f29b67dabcb
[    9.372320][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.372607][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.372944][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffec07340e0
[    9.373194][  T198] R13: 0000000000000001 R14: 00007f29b65186f8 R15: 00007ffec0735884
| [    9.378789][  T198] ------------[ cut here ]------------
| [    9.378969][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [    9.379254][  T198] Modules linked in:
| [    9.379726][  T198] Tainted: [W]=WARN
[    9.379880][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.380109][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.380325][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.380849][  T198] RSP: 0018:ffa0000000947a78 EFLAGS: 00010286
[    9.381070][  T198] RAX: 00000000ffffffa6 RBX: ff11000009e5e3c0 RCX: 1ff4000000128f15
[    9.381310][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009e5e47c
[    9.381549][  T198] RBP: ff1100000eddc000 R08: 1fe22000013cbc91 R09: ff1100000fe18b80
[    9.381817][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.382066][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eddc000
[    9.382307][  T198] FS:  00007f29b6518840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[    9.382669][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.382911][  T198] CR2: 0000000000479648 CR3: 000000000e2eb005 CR4: 0000000000771ef0
[    9.383163][  T198] PKRU: 55555554
[    9.383306][  T198] Call Trace:
[    9.383534][  T198]  <TASK>
[    9.383648][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.383856][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.384046][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.384209][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.384492][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.384697][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.384883][  T198]  register_netdev (net/core/dev.c:11552)
[    9.385178][  T198]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.385355][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.385499][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.385661][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.385850][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.386125][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.386301][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.386477][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.386654][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.386941][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.387128][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.387314][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.387488][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.387749][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.387938][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.388126][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.388316][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.388574][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.388747][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.388944][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.389246][  T198] RIP: 0033:0x7f29b67dabcb
[    9.389425][  T198] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.390049][  T198] RSP: 002b:00007ffec0731eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.390305][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f29b67dabcb
[    9.390540][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.390886][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.391139][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffec07340e0
[    9.391388][  T198] R13: 0000000000000001 R14: 00007f29b65186f8 R15: 00007ffec0735884
| [    9.407495][  T198] ------------[ cut here ]------------
| [    9.407671][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [    9.407949][  T198] Modules linked in:
| [    9.408446][  T198] Tainted: [W]=WARN
[    9.408590][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.408849][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.409080][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.409580][  T198] RSP: 0018:ffa0000000947a68 EFLAGS: 00010286
[    9.409790][  T198] RAX: 00000000ffffffa6 RBX: ff1100000da15000 RCX: 1ff4000000128f13
[    9.410062][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da150bc
[    9.410298][  T198] RBP: ff1100000ffe9000 R08: 1fe2200001b42a19 R09: ff1100000fe18b80
[    9.410534][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.410770][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffe9000
[    9.411037][  T198] FS:  00007f29b6518840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[    9.411310][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.411517][  T198] CR2: 0000000000479648 CR3: 000000000e2eb005 CR4: 0000000000771ef0
[    9.411755][  T198] PKRU: 55555554
[    9.411906][  T198] Call Trace:
[    9.412061][  T198]  <TASK>
[    9.412187][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.412362][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.412535][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.412680][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.412866][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.413088][  T198]  register_netdev (net/core/dev.c:11552)
[    9.413264][  T198]  sit_init_net (net/ipv6/sit.c:1860)
[    9.413453][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.413599][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.413744][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.413931][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.414121][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.414299][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.414477][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.414668][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.414850][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.415036][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.415210][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.415385][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.415562][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.415738][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.415935][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.416125][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.416301][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.416475][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.416651][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.416865][  T198] RIP: 0033:0x7f29b67dabcb
[    9.417058][  T198] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.417571][  T198] RSP: 002b:00007ffec0731eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.417818][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f29b67dabcb
[    9.418066][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.418313][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.418549][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffec07340e0
[    9.418785][  T198] R13: 0000000000000001 R14: 00007f29b65186f8 R15: 00007ffec0735884
| [    9.424367][  T198] ------------[ cut here ]------------
| [    9.424541][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [    9.424818][  T198] Modules linked in:
| [    9.425302][  T198] Tainted: [W]=WARN
[    9.425447][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.425656][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.425883][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.426417][  T198] RSP: 0018:ffa0000000947a78 EFLAGS: 00010286
[    9.426628][  T198] RAX: 00000000ffffffa6 RBX: ff1100000d2eda80 RCX: 1ff4000000128f15
[    9.426877][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2edb3c
[    9.427129][  T198] RBP: ff1100000ffec000 R08: 1fe2200001a5db69 R09: ff1100000fe18b80
[    9.427381][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.427621][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffec000
[    9.427873][  T198] FS:  00007f29b6518840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[    9.428159][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.428369][  T198] CR2: 0000000000479648 CR3: 000000000e2eb005 CR4: 0000000000771ef0
[    9.428625][  T198] PKRU: 55555554
[    9.428770][  T198] Call Trace:
[    9.428919][  T198]  <TASK>
[    9.429044][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.429223][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.429400][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.429546][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.429738][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.429953][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.430144][  T198]  register_netdev (net/core/dev.c:11552)
[    9.430322][  T198]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.430501][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.430648][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.430795][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.431004][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.431183][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.431362][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.431541][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.431720][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.431916][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.432106][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.432298][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.432475][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.432654][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.432841][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.433032][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.433210][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.433387][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.433562][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.433754][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.433972][  T198] RIP: 0033:0x7f29b67dabcb
[    9.434169][  T198] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.434674][  T198] RSP: 002b:00007ffec0731eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.434938][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f29b67dabcb
[    9.435190][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.435430][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.435667][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffec07340e0
[    9.435928][  T198] R13: 0000000000000001 R14: 00007f29b65186f8 R15: 00007ffec0735884
| [    9.463553][  T199] ------------[ cut here ]------------
| [    9.463696][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/199
| [    9.463926][  T199] Modules linked in:
| [    9.464304][  T199] Tainted: [W]=WARN
[    9.464399][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.464556][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.464722][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.465187][  T199] RSP: 0018:ffa0000000947020 EFLAGS: 00010286
[    9.465349][  T199] RAX: 00000000ffffffa6 RBX: ff1100000b845a80 RCX: 1ff4000000128dca
[    9.465537][  T199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b845b3c
[    9.465724][  T199] RBP: ff1100000a924000 R08: 1fe2200001708b69 R09: ff1100000f9d0b58
[    9.465916][  T199] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.466107][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.466297][  T199] FS:  00007f7c5846d840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[    9.466518][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.466674][  T199] CR2: 0000000029868988 CR3: 0000000010152006 CR4: 0000000000771ef0
[    9.466867][  T199] PKRU: 55555554
[    9.466960][  T199] Call Trace:
[    9.467058][  T199]  <TASK>
[    9.467125][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.467253][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.467350][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.467488][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.467616][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.467741][  T199]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.467873][  T199]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.468006][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.468132][  T199]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.468261][  T199]  netif_change_flags (net/core/dev.c:9820)
[    9.468388][  T199]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.468514][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.468641][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.468808][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.469597][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.469724][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.469856][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.469980][  T199]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.470113][  T199]  ? __kernel_text_address (kernel/extable.c:79)
[    9.470239][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.470367][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.470491][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.470617][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.470743][  T199]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.470873][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.471000][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.471126][  T199]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.471252][  T199]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.471377][  T199]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.471501][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.471628][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.471756][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.471889][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.472021][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.472146][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.472271][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.472395][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.472518][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.472645][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.472770][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.472901][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.473029][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.473154][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.473280][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.473406][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.473529][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.473655][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.473781][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.473915][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.474045][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.474172][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.474297][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.474427][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.474552][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.474679][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.474811][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.474938][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.475069][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.475195][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.475323][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.475451][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.475577][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.475701][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.475862][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.475993][  T199]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.476119][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.476244][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.476368][  T199]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.476524][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.476659][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.476785][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.476916][  T199]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.477079][  T199]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.477204][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.477329][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.477455][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.477578][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.477702][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.477864][  T199] RIP: 0033:0x7f7c586a708e
[    9.477998][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.478444][  T199] RSP: 002b:00007ffdab8c0150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.478634][  T199] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7c586a708e
[    9.478824][  T199] RDX: 0000000000000000 RSI: 00007ffdab8c0200 RDI: 0000000000000005
[    9.479016][  T199] RBP: 00007ffdab8c0160 R08: 0000000000000000 R09: 0000000000000000
[    9.479204][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e7
[    9.479391][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdab8c08d0
| [    9.609648][  T203] ------------[ cut here ]------------
| [    9.609862][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/203
| [    9.610156][  T203] Modules linked in:
| [    9.610621][  T203] Tainted: [W]=WARN
[    9.610767][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.610981][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.611511][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.612046][  T203] RSP: 0018:ffa00000008d7a80 EFLAGS: 00010286
[    9.612259][  T203] RAX: 00000000ffffffa6 RBX: ff1100000d2ec200 RCX: 1ff400000011af16
[    9.612498][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2ec2bc
[    9.612736][  T203] RBP: ff11000007941000 R08: 1fe2200001a5d859 R09: ff11000004e82e80
[    9.612998][  T203] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.613237][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007941000
[    9.613477][  T203] FS:  00007fc04a87e840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[    9.613752][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.613969][  T203] CR2: 00007fc04aa7fc20 CR3: 00000000103f6004 CR4: 0000000000771ef0
[    9.614223][  T203] PKRU: 55555554
[    9.614368][  T203] Call Trace:
[    9.614512][  T203]  <TASK>
[    9.614626][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.614812][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.615007][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.615152][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.615333][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.615540][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.615718][  T203]  register_netdev (net/core/dev.c:11552)
[    9.615906][  T203]  loopback_net_init (drivers/net/loopback.c:218)
[    9.616096][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.616243][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.616388][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.616561][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.616742][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.616933][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.617126][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.617306][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.617482][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.617660][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.617849][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.618036][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.618215][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.618392][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.618568][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.618744][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.618932][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.619124][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.619304][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.619508][  T203] RIP: 0033:0x7fc04ab40bcb
[    9.619689][  T203] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.620212][  T203] RSP: 002b:00007ffc34cb6bf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.620457][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc04ab40bcb
[    9.620697][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.620944][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.621194][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc34cb8e20
[    9.621434][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc34cb9884
| [    9.625639][  T203] ------------[ cut here ]------------
| [    9.625819][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/203
| [    9.626107][  T203] Modules linked in:
| [    9.626559][  T203] Tainted: [W]=WARN
[    9.626701][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.626916][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.627147][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.627648][  T203] RSP: 0018:ffa00000008d7918 EFLAGS: 00010286
[    9.627866][  T203] RAX: 00000000ffffffa6 RBX: ff1100000a594ac0 RCX: 1ff400000011aee9
[    9.628118][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a594b7c
[    9.628353][  T203] RBP: ff1100000ef89000 R08: 1fe22000014b2971 R09: ff11000004e82e80
[    9.628588][  T203] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.628831][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef89000
[    9.629086][  T203] FS:  00007fc04a87e840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[    9.629356][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.629561][  T203] CR2: 00007fc04aa7fc20 CR3: 00000000103f6004 CR4: 0000000000771ef0
[    9.629799][  T203] PKRU: 55555554
[    9.629953][  T203] Call Trace:
[    9.630104][  T203]  <TASK>
[    9.630217][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.630394][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.630569][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.630714][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.630901][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.631119][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.631294][  T203]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.631472][  T203]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.631645][  T203]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.631827][  T203]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.632015][  T203]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.632192][  T203]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.632369][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.632515][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.632659][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.632841][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.633032][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.633209][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.633386][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.633562][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.633766][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.633948][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.634134][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.634308][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.634484][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.634661][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.634841][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.635028][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.635204][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.635380][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.635558][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.635761][  T203] RIP: 0033:0x7fc04ab40bcb
[    9.635948][  T203] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.636458][  T203] RSP: 002b:00007ffc34cb6bf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.636699][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc04ab40bcb
[    9.636942][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.637191][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.637428][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc34cb8e20
[    9.637667][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc34cb9884
| [    9.642310][  T203] ------------[ cut here ]------------
| [    9.642486][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/203
| [    9.642760][  T203] Modules linked in:
| [    9.643240][  T203] Tainted: [W]=WARN
[    9.643383][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.643590][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.643812][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.644327][  T203] RSP: 0018:ffa00000008d78f8 EFLAGS: 00010286
[    9.644534][  T203] RAX: 00000000ffffffa6 RBX: ff1100000d118740 RCX: 1ff400000011aee5
[    9.644773][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1187fc
[    9.645028][  T203] RBP: ff1100000eea1000 R08: 1fe2200001a23101 R09: ff11000004e82e80
[    9.645267][  T203] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.645501][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eea1000
[    9.645741][  T203] FS:  00007fc04a87e840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[    9.646034][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.646240][  T203] CR2: 00007fc04aa7fc20 CR3: 00000000103f6004 CR4: 0000000000771ef0
[    9.646481][  T203] PKRU: 55555554
[    9.646621][  T203] Call Trace:
[    9.646762][  T203]  <TASK>
[    9.646887][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.647079][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.647255][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.647399][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.647577][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.647783][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.647967][  T203]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.648158][  T203]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.648331][  T203]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.648506][  T203]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.648685][  T203]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.648870][  T203]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.649062][  T203]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.649240][  T203]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.649415][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.649562][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.649705][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.649888][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.650076][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.650253][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.650429][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.650606][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.650784][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.650966][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.651171][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.651345][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.651519][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.651694][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.651877][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.652064][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.652261][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.652435][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.652608][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.652819][  T203] RIP: 0033:0x7fc04ab40bcb
[    9.653010][  T203] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.653530][  T203] RSP: 002b:00007ffc34cb6bf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.653766][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc04ab40bcb
[    9.654020][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.654255][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.654516][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc34cb8e20
[    9.654750][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc34cb9884
| [    9.659778][  T203] ------------[ cut here ]------------
| [    9.659965][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/203
| [    9.660265][  T203] Modules linked in:
| [    9.660727][  T203] Tainted: [W]=WARN
[    9.660878][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.661096][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.661309][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.661833][  T203] RSP: 0018:ffa00000008d7a78 EFLAGS: 00010286
[    9.662054][  T203] RAX: 00000000ffffffa6 RBX: ff1100000d119700 RCX: 1ff400000011af15
[    9.662289][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1197bc
[    9.662542][  T203] RBP: ff1100000ee31000 R08: 1fe2200001a232f9 R09: ff11000004e82e80
[    9.662788][  T203] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.663046][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ee31000
[    9.663284][  T203] FS:  00007fc04a87e840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[    9.663571][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.663777][  T203] CR2: 00007fc04aa7fc20 CR3: 00000000103f6004 CR4: 0000000000771ef0
[    9.664077][  T203] PKRU: 55555554
[    9.664218][  T203] Call Trace:
[    9.664360][  T203]  <TASK>
[    9.664472][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.664664][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.664848][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.665007][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.665195][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.665398][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.665574][  T203]  register_netdev (net/core/dev.c:11552)
[    9.665748][  T203]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.665953][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.666112][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.666256][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.666429][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.666615][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.666791][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.666977][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.667185][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.667361][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.667535][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.667723][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.667908][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.668099][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.668296][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.668471][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.668645][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.668827][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.669017][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.669206][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.669412][  T203] RIP: 0033:0x7fc04ab40bcb
[    9.669610][  T203] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.670132][  T203] RSP: 002b:00007ffc34cb6bf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.670386][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc04ab40bcb
[    9.670643][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.670890][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.671141][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc34cb8e20
[    9.671391][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc34cb9884
| [    9.676037][  T203] ------------[ cut here ]------------
| [    9.676213][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/203
| [    9.676495][  T203] Modules linked in:
| [    9.676959][  T203] Tainted: [W]=WARN
[    9.677136][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.677345][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.677572][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.678092][  T203] RSP: 0018:ffa00000008d7a68 EFLAGS: 00010286
[    9.678321][  T203] RAX: 00000000ffffffa6 RBX: ff1100000a594900 RCX: 1ff400000011af13
[    9.678570][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a5949bc
[    9.678816][  T203] RBP: ff1100000eb64000 R08: 1fe22000014b2939 R09: ff11000004e82e80
[    9.679067][  T203] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.679326][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eb64000
[    9.679568][  T203] FS:  00007fc04a87e840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[    9.679870][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.680091][  T203] CR2: 00007fc04aa7fc20 CR3: 00000000103f6004 CR4: 0000000000771ef0
[    9.680349][  T203] PKRU: 55555554
[    9.680492][  T203] Call Trace:
[    9.680634][  T203]  <TASK>
[    9.680748][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.680947][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.681133][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.681280][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.681458][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.681685][  T203]  register_netdev (net/core/dev.c:11552)
[    9.681873][  T203]  sit_init_net (net/ipv6/sit.c:1860)
[    9.682064][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.682224][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.682369][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.682543][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.682720][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.682922][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.683117][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.683297][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.683486][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.683661][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.683846][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.684055][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.684232][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.684410][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.684585][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.684760][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.684958][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.685148][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.685350][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.685560][  T203] RIP: 0033:0x7fc04ab40bcb
[    9.685741][  T203] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.686274][  T203] RSP: 002b:00007ffc34cb6bf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.686532][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc04ab40bcb
[    9.686770][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.687028][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.687279][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc34cb8e20
[    9.687534][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc34cb9884
| [    9.692496][  T203] ------------[ cut here ]------------
| [    9.692671][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/203
| [    9.692968][  T203] Modules linked in:
| [    9.694051][  T203] Tainted: [W]=WARN
[    9.694273][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.694536][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.694835][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.695406][  T203] RSP: 0018:ffa00000008d7a78 EFLAGS: 00010286
[    9.695683][  T203] RAX: 00000000ffffffa6 RBX: ff1100000d81b700 RCX: 1ff400000011af15
[    9.696017][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d81b7bc
[    9.696310][  T203] RBP: ff1100000eb21000 R08: 1fe2200001b036f9 R09: ff11000004e82e80
[    9.696605][  T203] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.696918][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eb21000
[    9.697246][  T203] FS:  00007fc04a87e840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[    9.697574][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.697845][  T203] CR2: 00007fc04aa7fc20 CR3: 00000000103f6004 CR4: 0000000000771ef0
[    9.698155][  T203] PKRU: 55555554
[    9.698367][  T203] Call Trace:
[    9.698564][  T203]  <TASK>
[    9.698754][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.699014][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.699249][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.699451][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.699686][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.699958][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.700222][  T203]  register_netdev (net/core/dev.c:11552)
[    9.700472][  T203]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.700706][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.700914][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.701129][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.701363][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.701596][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.701855][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.702122][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.702358][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.702589][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.702829][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.703074][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.703306][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.703562][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.703796][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.704050][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.704281][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.704511][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.704741][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.704979][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.705325][  T203] RIP: 0033:0x7fc04ab40bcb
[    9.705574][  T203] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.706149][  T203] RSP: 002b:00007ffc34cb6bf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.706462][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc04ab40bcb
[    9.706766][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.707079][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.707372][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc34cb8e20
[    9.707663][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc34cb9884
| [    9.754171][  T204] ------------[ cut here ]------------
| [    9.754321][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.754548][  T204] Modules linked in:
| [    9.754922][  T204] Tainted: [W]=WARN
[    9.755026][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.755186][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.755353][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.755815][  T204] RSP: 0018:ffa00000008f7020 EFLAGS: 00010286
[    9.755982][  T204] RAX: 00000000ffffffa6 RBX: ff1100000d81b8c0 RCX: 1ff400000011edca
[    9.756177][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d81b97c
[    9.756366][  T204] RBP: ff11000007941000 R08: 1fe2200001b03731 R09: ff11000004e85158
[    9.756557][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.756748][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.756946][  T204] FS:  00007f1d909b4840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[    9.757178][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.757342][  T204] CR2: 0000000036734988 CR3: 000000000ab8f006 CR4: 0000000000771ef0
[    9.757534][  T204] PKRU: 55555554
[    9.757630][  T204] Call Trace:
[    9.757726][  T204]  <TASK>
[    9.757792][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.757924][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.758027][  T204]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.758154][  T204]  __dev_notify_flags (net/core/dev.c:9787)
[    9.758286][  T204]  ? netif_change_name (net/core/dev.c:1495)
[    9.758414][  T204]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.758543][  T204]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.758670][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.758798][  T204]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.758933][  T204]  netif_change_flags (net/core/dev.c:9820)
[    9.759069][  T204]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.759198][  T204]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.759328][  T204]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.759457][  T204]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.759619][  T204]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.759746][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.759878][  T204]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.760014][  T204]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.760145][  T204]  ? __kernel_text_address (kernel/extable.c:79)
[    9.760274][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.760404][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.760532][  T204]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.760661][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.760789][  T204]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.760921][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.761144][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.761274][  T204]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.761401][  T204]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.761531][  T204]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.761659][  T204]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.761789][  T204]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.761928][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.762126][  T204]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.762256][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.762383][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.762511][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.762642][  T204]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.762771][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.762908][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.763130][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.763335][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.763465][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.763596][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.763727][  T204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.763863][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.764068][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.764197][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.764328][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.764455][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.764584][  T204]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.764713][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.764845][  T204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.764977][  T204]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.765155][  T204]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.765285][  T204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.765416][  T204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.765544][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.765673][  T204]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.765806][  T204]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.765935][  T204]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.766072][  T204]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.766202][  T204]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.766330][  T204]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.766489][  T204]  ? move_addr_to_kernel (net/socket.c:258)
[    9.766618][  T204]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.766746][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.766880][  T204]  ___sys_sendmsg (net/socket.c:2752)
[    9.767014][  T204]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.767175][  T204]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.767319][  T204]  __sys_sendmsg (net/socket.c:2784)
[    9.767450][  T204]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.767579][  T204]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.767742][  T204]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.767876][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.768012][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.768142][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.768272][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.768401][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.768560][  T204] RIP: 0033:0x7f1d90bee08e
[    9.768695][  T204] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.769161][  T204] RSP: 002b:00007ffc88392db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.769358][  T204] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1d90bee08e
[    9.769551][  T204] RDX: 0000000000000000 RSI: 00007ffc88392e60 RDI: 0000000000000005
[    9.769742][  T204] RBP: 00007ffc88392dc0 R08: 0000000000000000 R09: 0000000000000000
[    9.769941][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e7
[    9.770141][  T204] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc88393530
| [    9.888723][  T208] ------------[ cut here ]------------
| [    9.888892][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/208
| [    9.889141][  T208] Modules linked in:
| [    9.889519][  T208] Tainted: [W]=WARN
[    9.889620][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.889784][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.889962][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.890434][  T208] RSP: 0018:ffa00000009a7a80 EFLAGS: 00010286
[    9.890600][  T208] RAX: 00000000ffffffa6 RBX: ff1100000d3c23c0 RCX: 1ff4000000134f16
[    9.890799][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3c247c
[    9.891006][  T208] RBP: ff1100000218c000 R08: 1fe2200001a78491 R09: ff1100000e908b80
[    9.891204][  T208] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.891401][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000218c000
[    9.891599][  T208] FS:  00007f291f7ba840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[    9.891835][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.892007][  T208] CR2: 00007f291f9bbc20 CR3: 000000000fd34005 CR4: 0000000000771ef0
[    9.892205][  T208] PKRU: 55555554
[    9.892303][  T208] Call Trace:
[    9.892400][  T208]  <TASK>
[    9.892469][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.892602][  T208]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.892734][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.892839][  T208]  register_netdevice (net/core/dev.c:11488)
[    9.892976][  T208]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.893143][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.893277][  T208]  register_netdev (net/core/dev.c:11552)
[    9.893408][  T208]  loopback_net_init (drivers/net/loopback.c:218)
[    9.893541][  T208]  ops_init (net/core/net_namespace.c:137)
[    9.893643][  T208]  setup_net (net/core/net_namespace.c:446)
[    9.893742][  T208]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.893879][  T208]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.894017][  T208]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.894151][  T208]  copy_net_ns (net/core/net_namespace.c:579)
[    9.894283][  T208]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.894417][  T208]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.894550][  T208]  ksys_unshare (kernel/fork.c:3243)
[    9.894680][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.894817][  T208]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.894950][  T208]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.895088][  T208]  ? __ia32_sys_open (fs/open.c:1374)
[    9.895220][  T208]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.895353][  T208]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.895484][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.895615][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.895747][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.895883][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.896053][  T208] RIP: 0033:0x7f291fa7cbcb
[    9.896193][  T208] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.896656][  T208] RSP: 002b:00007fffbb746af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.896856][  T208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f291fa7cbcb
[    9.897055][  T208] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.897249][  T208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.897443][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffbb748d20
[    9.897638][  T208] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbb749884
| [    9.902034][  T208] ------------[ cut here ]------------
| [    9.902172][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/208
| [    9.902403][  T208] Modules linked in:
| [    9.902767][  T208] Tainted: [W]=WARN
[    9.902875][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.903239][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.903414][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.903878][  T208] RSP: 0018:ffa00000009a7918 EFLAGS: 00010286
[    9.904048][  T208] RAX: 00000000ffffffa6 RBX: ff1100000b865000 RCX: 1ff4000000134ee9
[    9.904243][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8650bc
[    9.904437][  T208] RBP: ff11000001dd4000 R08: 1fe220000170ca19 R09: ff1100000e908b80
[    9.904631][  T208] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.904828][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001dd4000
[    9.905032][  T208] FS:  00007f291f7ba840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[    9.905264][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.905428][  T208] CR2: 00007f291f9bbc20 CR3: 000000000fd34005 CR4: 0000000000771ef0
[    9.905625][  T208] PKRU: 55555554
[    9.905724][  T208] Call Trace:
[    9.905829][  T208]  <TASK>
[    9.905898][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.906033][  T208]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.906166][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.906266][  T208]  register_netdevice (net/core/dev.c:11488)
[    9.906398][  T208]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.906560][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.906691][  T208]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.906830][  T208]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.906960][  T208]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.907096][  T208]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.907228][  T208]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.907361][  T208]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.907494][  T208]  ops_init (net/core/net_namespace.c:137)
[    9.907595][  T208]  setup_net (net/core/net_namespace.c:446)
[    9.907694][  T208]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.907828][  T208]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.907959][  T208]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.908094][  T208]  copy_net_ns (net/core/net_namespace.c:579)
[    9.908224][  T208]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.908357][  T208]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.908488][  T208]  ksys_unshare (kernel/fork.c:3243)
[    9.908618][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.908750][  T208]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.908885][  T208]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.909021][  T208]  ? __ia32_sys_open (fs/open.c:1374)
[    9.909154][  T208]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.909284][  T208]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.909414][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.909545][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.909676][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.909811][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.909974][  T208] RIP: 0033:0x7f291fa7cbcb
[    9.910115][  T208] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.910576][  T208] RSP: 002b:00007fffbb746af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.910774][  T208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f291fa7cbcb
[    9.910973][  T208] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.911174][  T208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.911369][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffbb748d20
[    9.911565][  T208] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbb749884
| [    9.915415][  T208] ------------[ cut here ]------------
| [    9.915556][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/208
| [    9.915784][  T208] Modules linked in:
| [    9.916698][  T208] Tainted: [W]=WARN
[    9.916798][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.916974][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.917209][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.917674][  T208] RSP: 0018:ffa00000009a78f8 EFLAGS: 00010286
[    9.917848][  T208] RAX: 00000000ffffffa6 RBX: ff11000009551a80 RCX: 1ff4000000134ee5
[    9.918103][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009551b3c
[    9.918358][  T208] RBP: ff11000004cc1000 R08: 1fe22000012aa369 R09: ff1100000e908b80
[    9.918555][  T208] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.918752][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004cc1000
[    9.918957][  T208] FS:  00007f291f7ba840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[    9.919244][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.919410][  T208] CR2: 00007f291f9bbc20 CR3: 000000000fd34005 CR4: 0000000000771ef0
[    9.919608][  T208] PKRU: 55555554
[    9.919706][  T208] Call Trace:
[    9.919811][  T208]  <TASK>
[    9.919883][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.920073][  T208]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.920207][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.920313][  T208]  register_netdevice (net/core/dev.c:11488)
[    9.920445][  T208]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.920616][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.920753][  T208]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.920892][  T208]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.921079][  T208]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.921212][  T208]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.921345][  T208]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.921478][  T208]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.921612][  T208]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.921746][  T208]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.921886][  T208]  ops_init (net/core/net_namespace.c:137)
[    9.922045][  T208]  setup_net (net/core/net_namespace.c:446)
[    9.922146][  T208]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.922313][  T208]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.922509][  T208]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.922710][  T208]  copy_net_ns (net/core/net_namespace.c:579)
[    9.922920][  T208]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.923196][  T208]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.923337][  T208]  ksys_unshare (kernel/fork.c:3243)
[    9.923469][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.923601][  T208]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.923733][  T208]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.923872][  T208]  ? __ia32_sys_open (fs/open.c:1374)
[    9.924064][  T208]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.924195][  T208]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.924327][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.924457][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.924590][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.924720][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.924890][  T208] RIP: 0033:0x7f291fa7cbcb
[    9.925087][  T208] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.925551][  T208] RSP: 002b:00007fffbb746af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.925749][  T208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f291fa7cbcb
[    9.925948][  T208] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.926202][  T208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.926398][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffbb748d20
[    9.926596][  T208] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbb749884
| [    9.931811][  T208] ------------[ cut here ]------------
| [    9.931960][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/208
| [    9.932195][  T208] Modules linked in:
| [    9.932561][  T208] Tainted: [W]=WARN
[    9.932658][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.932822][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.932996][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.933455][  T208] RSP: 0018:ffa00000009a7a78 EFLAGS: 00010286
[    9.933617][  T208] RAX: 00000000ffffffa6 RBX: ff1100000bdab8c0 RCX: 1ff4000000134f15
[    9.933815][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bdab97c
[    9.934015][  T208] RBP: ff1100001001c000 R08: 1fe22000017b5731 R09: ff1100000e908b80
[    9.934212][  T208] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.934406][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001001c000
[    9.934599][  T208] FS:  00007f291f7ba840(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[    9.934829][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.935000][  T208] CR2: 000056334d699d5c CR3: 000000000fd34002 CR4: 0000000000771ef0
[    9.935194][  T208] PKRU: 55555554
[    9.935291][  T208] Call Trace:
[    9.935388][  T208]  <TASK>
[    9.935454][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.935584][  T208]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.935712][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.935817][  T208]  register_netdevice (net/core/dev.c:11488)
[    9.935951][  T208]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.936118][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.936251][  T208]  register_netdev (net/core/dev.c:11552)
[    9.936381][  T208]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.936516][  T208]  ops_init (net/core/net_namespace.c:137)
[    9.936615][  T208]  setup_net (net/core/net_namespace.c:446)
[    9.936712][  T208]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.936847][  T208]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.936981][  T208]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.937117][  T208]  copy_net_ns (net/core/net_namespace.c:579)
[    9.937247][  T208]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.937382][  T208]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.937512][  T208]  ksys_unshare (kernel/fork.c:3243)
[    9.937642][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.937775][  T208]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.937911][  T208]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.938057][  T208]  ? __ia32_sys_open (fs/open.c:1374)
[    9.938189][  T208]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.938321][  T208]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.938455][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.938589][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.938717][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.938854][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.939020][  T208] RIP: 0033:0x7f291fa7cbcb
[    9.939157][  T208] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.939620][  T208] RSP: 002b:00007fffbb746af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.939819][  T208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f291fa7cbcb
[    9.940017][  T208] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.940209][  T208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.940406][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffbb748d20
[    9.940599][  T208] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbb749884
| [    9.945249][  T208] ------------[ cut here ]------------
| [    9.945395][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/208
| [    9.945619][  T208] Modules linked in:
| [    9.945997][  T208] Tainted: [W]=WARN
[    9.946096][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.946258][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.946428][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.946892][  T208] RSP: 0018:ffa00000009a7a68 EFLAGS: 00010286
[    9.947076][  T208] RAX: 00000000ffffffa6 RBX: ff1100000bdaa580 RCX: 1ff4000000134f13
[    9.947269][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bdaa63c
[    9.947461][  T208] RBP: ff1100000eeb9000 R08: 1fe22000017b54c9 R09: ff1100000e908b80
[    9.947654][  T208] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.947849][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eeb9000
[    9.948049][  T208] FS:  00007f291f7ba840(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[    9.948274][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.948436][  T208] CR2: 000056334d699d5c CR3: 000000000fd34002 CR4: 0000000000771ef0
[    9.948630][  T208] PKRU: 55555554
[    9.948727][  T208] Call Trace:
[    9.948829][  T208]  <TASK>
[    9.948898][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.949031][  T208]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.949160][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.949259][  T208]  register_netdevice (net/core/dev.c:11488)
[    9.949390][  T208]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.949554][  T208]  register_netdev (net/core/dev.c:11552)
[    9.949685][  T208]  sit_init_net (net/ipv6/sit.c:1860)
[    9.949821][  T208]  ops_init (net/core/net_namespace.c:137)
[    9.949920][  T208]  setup_net (net/core/net_namespace.c:446)
[    9.950024][  T208]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.950153][  T208]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.950281][  T208]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.950412][  T208]  copy_net_ns (net/core/net_namespace.c:579)
[    9.950543][  T208]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.950677][  T208]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.950811][  T208]  ksys_unshare (kernel/fork.c:3243)
[    9.950941][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.951078][  T208]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.951208][  T208]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.951338][  T208]  ? __ia32_sys_open (fs/open.c:1374)
[    9.951469][  T208]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.951600][  T208]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.951731][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.951866][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.951998][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.952126][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.952287][  T208] RIP: 0033:0x7f291fa7cbcb
[    9.952423][  T208] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.952890][  T208] RSP: 002b:00007fffbb746af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.953090][  T208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f291fa7cbcb
[    9.953283][  T208] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.953479][  T208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.953672][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffbb748d20
[    9.953872][  T208] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbb749884
| [    9.958465][  T208] ------------[ cut here ]------------
| [    9.958600][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/208
| [    9.958825][  T208] Modules linked in:
| [    9.959187][  T208] Tainted: [W]=WARN
[    9.959284][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.959444][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.959609][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.960076][  T208] RSP: 0018:ffa00000009a7a78 EFLAGS: 00010286
[    9.960238][  T208] RAX: 00000000ffffffa6 RBX: ff11000009d9aac0 RCX: 1ff4000000134f15
[    9.960428][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009d9ab7c
[    9.960618][  T208] RBP: ff1100000ef44000 R08: 1fe22000013b3571 R09: ff1100000e908b80
[    9.960839][  T208] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.961032][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef44000
[    9.961225][  T208] FS:  00007f291f7ba840(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[    9.961450][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.961618][  T208] CR2: 000056334d699d5c CR3: 000000000fd34002 CR4: 0000000000771ef0
[    9.961818][  T208] PKRU: 55555554
[    9.961913][  T208] Call Trace:
[    9.962015][  T208]  <TASK>
[    9.962082][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.962210][  T208]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.962339][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.962444][  T208]  register_netdevice (net/core/dev.c:11488)
[    9.962575][  T208]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.962741][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.962937][  T208]  register_netdev (net/core/dev.c:11552)
[    9.963131][  T208]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.963325][  T208]  ops_init (net/core/net_namespace.c:137)
[    9.963470][  T208]  setup_net (net/core/net_namespace.c:446)
[    9.963629][  T208]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.963826][  T208]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.963979][  T208]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.964119][  T208]  copy_net_ns (net/core/net_namespace.c:579)
[    9.964250][  T208]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.964380][  T208]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.964520][  T208]  ksys_unshare (kernel/fork.c:3243)
[    9.964648][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.964784][  T208]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.964921][  T208]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.965055][  T208]  ? __ia32_sys_open (fs/open.c:1374)
[    9.965186][  T208]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.965314][  T208]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.965449][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.965585][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.965714][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.965863][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.966027][  T208] RIP: 0033:0x7f291fa7cbcb
[    9.966162][  T208] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.966622][  T208] RSP: 002b:00007fffbb746af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.966823][  T208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f291fa7cbcb
[    9.967020][  T208] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.967225][  T208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.967414][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffbb748d20
[    9.967607][  T208] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbb749884
| [   10.003323][  T209] ------------[ cut here ]------------
| [   10.003524][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/209
| [   10.003793][  T209] Modules linked in:
| [   10.004701][  T209] Tainted: [W]=WARN
[   10.004852][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.005073][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.005289][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.005794][  T209] RSP: 0018:ffa00000009a7020 EFLAGS: 00010286
[   10.006029][  T209] RAX: 00000000ffffffa6 RBX: ff1100000a63d1c0 RCX: 1ff4000000134dca
[   10.006265][  T209] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a63d27c
[   10.006504][  T209] RBP: ff1100000218c000 R08: 1fe22000014c7a51 R09: ff1100000e90ae58
[   10.006743][  T209] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.007005][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.007246][  T209] FS:  00007f2551637840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   10.007518][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.007727][  T209] CR2: 0000000036227988 CR3: 0000000011c7d004 CR4: 0000000000771ef0
[   10.007981][  T209] PKRU: 55555554
[   10.008137][  T209] Call Trace:
[   10.008281][  T209]  <TASK>
[   10.008394][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.008573][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.008718][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.008901][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   10.009094][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   10.009274][  T209]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.009452][  T209]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.009627][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.009814][  T209]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.010007][  T209]  netif_change_flags (net/core/dev.c:9820)
[   10.010186][  T209]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.010363][  T209]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.010546][  T209]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.010725][  T209]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.010944][  T209]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.011135][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.011311][  T209]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.011488][  T209]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.011668][  T209]  ? __kernel_text_address (kernel/extable.c:79)
[   10.011851][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.012041][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.012221][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.012399][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.012575][  T209]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.012751][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.012936][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.013130][  T209]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.013308][  T209]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.013485][  T209]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.013663][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.013850][  T209]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.014039][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.014220][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.014399][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.014577][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.014755][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.014936][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.015126][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.015308][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.015485][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.015660][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.015851][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.016044][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.016224][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.016401][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.016580][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.016757][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.016955][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.017145][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.017326][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.017504][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.017683][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.017873][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.018063][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.018242][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.018422][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.018601][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.018782][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.018971][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.019163][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.019344][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.019524][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.019700][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.019914][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   10.020110][  T209]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.020289][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.020468][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   10.020645][  T209]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.020866][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.021071][  T209]  __sys_sendmsg (net/socket.c:2784)
[   10.021251][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.021431][  T209]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.021660][  T209]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.021843][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.022033][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.022210][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.022385][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.022561][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.022784][  T209] RIP: 0033:0x7f255187108e
[   10.022975][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.023490][  T209] RSP: 002b:00007ffcd87b0230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.023748][  T209] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f255187108e
[   10.024034][  T209] RDX: 0000000000000000 RSI: 00007ffcd87b02e0 RDI: 0000000000000005
[   10.024273][  T209] RBP: 00007ffcd87b0240 R08: 0000000000000000 R09: 0000000000000000
[   10.024510][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e8
[   10.024748][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd87b09b0
| [   10.154787][  T213] ------------[ cut here ]------------
| [   10.154978][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/213
| [   10.155224][  T213] Modules linked in:
| [   10.155604][  T213] Tainted: [W]=WARN
[   10.155703][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.155869][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.156050][  T213] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.156515][  T213] RSP: 0018:ffa00000009e7a80 EFLAGS: 00010286
[   10.156683][  T213] RAX: 00000000ffffffa6 RBX: ff1100000d3c2ac0 RCX: 1ff400000013cf16
[   10.156886][  T213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3c2b7c
[   10.157088][  T213] RBP: ff11000004c3c000 R08: 1fe2200001a78571 R09: ff1100000fe08b80
[   10.157285][  T213] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.157479][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004c3c000
[   10.157677][  T213] FS:  00007f62599f7840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   10.157914][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.158085][  T213] CR2: 00007f6259c017d0 CR3: 000000001015f001 CR4: 0000000000771ef0
[   10.158280][  T213] PKRU: 55555554
[   10.158377][  T213] Call Trace:
[   10.158475][  T213]  <TASK>
[   10.158543][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.158674][  T213]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.158810][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.158912][  T213]  register_netdevice (net/core/dev.c:11488)
[   10.159051][  T213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.159215][  T213]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.159346][  T213]  register_netdev (net/core/dev.c:11552)
[   10.159475][  T213]  loopback_net_init (drivers/net/loopback.c:218)
[   10.159606][  T213]  ops_init (net/core/net_namespace.c:137)
[   10.159706][  T213]  setup_net (net/core/net_namespace.c:446)
[   10.159809][  T213]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.159940][  T213]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.160077][  T213]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.160210][  T213]  copy_net_ns (net/core/net_namespace.c:579)
[   10.160341][  T213]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.160473][  T213]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.160603][  T213]  ksys_unshare (kernel/fork.c:3243)
[   10.160734][  T213]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.160870][  T213]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.161003][  T213]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.161135][  T213]  ? __ia32_sys_open (fs/open.c:1374)
[   10.161266][  T213]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.161395][  T213]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.161523][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.161651][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.161782][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.161916][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.162085][  T213] RIP: 0033:0x7f6259cb9bcb
[   10.162225][  T213] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.162692][  T213] RSP: 002b:00007fff242957e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.162891][  T213] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6259cb9bcb
[   10.163091][  T213] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.163285][  T213] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.163480][  T213] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff24297a10
[   10.163676][  T213] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff24298884
| [   10.167881][  T213] ------------[ cut here ]------------
| [   10.168027][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/213
| [   10.168253][  T213] Modules linked in:
| [   10.168615][  T213] Tainted: [W]=WARN
[   10.168714][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.168880][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.169056][  T213] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.169524][  T213] RSP: 0018:ffa00000009e7918 EFLAGS: 00010286
[   10.169689][  T213] RAX: 00000000ffffffa6 RBX: ff11000009f11c40 RCX: 1ff400000013cee9
[   10.169889][  T213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009f11cfc
[   10.170089][  T213] RBP: ff11000004ce9000 R08: 1fe22000013e23a1 R09: ff1100000fe08b80
[   10.170288][  T213] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.170483][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004ce9000
[   10.170682][  T213] FS:  00007f62599f7840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   10.170912][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.171081][  T213] CR2: 00007f6259c017d0 CR3: 000000001015f001 CR4: 0000000000771ef0
[   10.171278][  T213] PKRU: 55555554
[   10.171376][  T213] Call Trace:
[   10.171472][  T213]  <TASK>
[   10.171540][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.171671][  T213]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.171806][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.171907][  T213]  register_netdevice (net/core/dev.c:11488)
[   10.172047][  T213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.172210][  T213]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.172342][  T213]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.172473][  T213]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.172604][  T213]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.172736][  T213]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.172871][  T213]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.173008][  T213]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   10.173140][  T213]  ops_init (net/core/net_namespace.c:137)
[   10.173240][  T213]  setup_net (net/core/net_namespace.c:446)
[   10.173340][  T213]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.173472][  T213]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.173603][  T213]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.173735][  T213]  copy_net_ns (net/core/net_namespace.c:579)
[   10.173873][  T213]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.174013][  T213]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.174143][  T213]  ksys_unshare (kernel/fork.c:3243)
[   10.174275][  T213]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.174405][  T213]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.174536][  T213]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.174667][  T213]  ? __ia32_sys_open (fs/open.c:1374)
[   10.174798][  T213]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.174933][  T213]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.175068][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.175198][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.175331][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.175460][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.175622][  T213] RIP: 0033:0x7f6259cb9bcb
[   10.175757][  T213] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.176227][  T213] RSP: 002b:00007fff242957e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.176422][  T213] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6259cb9bcb
[   10.176617][  T213] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.176816][  T213] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.177018][  T213] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff24297a10
[   10.177215][  T213] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff24298884
| [   10.181675][  T213] ------------[ cut here ]------------
| [   10.181816][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/213
| [   10.182056][  T213] Modules linked in:
| [   10.182425][  T213] Tainted: [W]=WARN
[   10.182526][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.182691][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.182868][  T213] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.183347][  T213] RSP: 0018:ffa00000009e78f8 EFLAGS: 00010286
[   10.183515][  T213] RAX: 00000000ffffffa6 RBX: ff1100000a592900 RCX: 1ff400000013cee5
[   10.183713][  T213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a5929bc
[   10.183912][  T213] RBP: ff11000004f74000 R08: 1fe22000014b2539 R09: ff1100000fe08b80
[   10.184114][  T213] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.184311][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004f74000
[   10.184511][  T213] FS:  00007f62599f7840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   10.184740][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.184908][  T213] CR2: 00007f6259c017d0 CR3: 000000001015f001 CR4: 0000000000771ef0
[   10.185111][  T213] PKRU: 55555554
[   10.185209][  T213] Call Trace:
[   10.185306][  T213]  <TASK>
[   10.185376][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.185509][  T213]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.185643][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.185744][  T213]  register_netdevice (net/core/dev.c:11488)
[   10.185882][  T213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.186053][  T213]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.186189][  T213]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.186322][  T213]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.186454][  T213]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.186587][  T213]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.186719][  T213]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.186854][  T213]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.186992][  T213]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.187126][  T213]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.187258][  T213]  ops_init (net/core/net_namespace.c:137)
[   10.187361][  T213]  setup_net (net/core/net_namespace.c:446)
[   10.187461][  T213]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.187593][  T213]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.187726][  T213]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.187864][  T213]  copy_net_ns (net/core/net_namespace.c:579)
[   10.188001][  T213]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.188135][  T213]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.188269][  T213]  ksys_unshare (kernel/fork.c:3243)
[   10.188401][  T213]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.188533][  T213]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.188664][  T213]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.188797][  T213]  ? __ia32_sys_open (fs/open.c:1374)
[   10.188935][  T213]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.189072][  T213]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.189204][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.189336][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.189466][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.189597][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.189761][  T213] RIP: 0033:0x7f6259cb9bcb
[   10.189903][  T213] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.190377][  T213] RSP: 002b:00007fff242957e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.190574][  T213] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6259cb9bcb
[   10.190773][  T213] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.190976][  T213] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.191180][  T213] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff24297a10
[   10.191376][  T213] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff24298884
| [   10.196492][  T213] ------------[ cut here ]------------
| [   10.196639][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/213
| [   10.196873][  T213] Modules linked in:
| [   10.197265][  T213] Tainted: [W]=WARN
[   10.197365][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.197530][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.197701][  T213] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.198183][  T213] RSP: 0018:ffa00000009e7a78 EFLAGS: 00010286
[   10.198348][  T213] RAX: 00000000ffffffa6 RBX: ff11000009d9b1c0 RCX: 1ff400000013cf15
[   10.198542][  T213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009d9b27c
[   10.198736][  T213] RBP: ff1100000ff99000 R08: 1fe22000013b3651 R09: ff1100000fe08b80
[   10.198940][  T213] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.199142][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff99000
[   10.199342][  T213] FS:  00007f62599f7840(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   10.199571][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.199734][  T213] CR2: 000056334d699d5c CR3: 000000001015f003 CR4: 0000000000771ef0
[   10.199941][  T213] PKRU: 55555554
[   10.200045][  T213] Call Trace:
[   10.200142][  T213]  <TASK>
[   10.200211][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.200342][  T213]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.200473][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.200573][  T213]  register_netdevice (net/core/dev.c:11488)
[   10.200709][  T213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.200877][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.201017][  T213]  register_netdev (net/core/dev.c:11552)
[   10.201147][  T213]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.201280][  T213]  ops_init (net/core/net_namespace.c:137)
[   10.201380][  T213]  setup_net (net/core/net_namespace.c:446)
[   10.201479][  T213]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.201611][  T213]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.201745][  T213]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.201885][  T213]  copy_net_ns (net/core/net_namespace.c:579)
[   10.202023][  T213]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.202156][  T213]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.202288][  T213]  ksys_unshare (kernel/fork.c:3243)
[   10.202419][  T213]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.202555][  T213]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.202686][  T213]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.202822][  T213]  ? __ia32_sys_open (fs/open.c:1374)
[   10.202956][  T213]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.203092][  T213]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.203223][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.203354][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.203489][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.203624][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.203785][  T213] RIP: 0033:0x7f6259cb9bcb
[   10.203927][  T213] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.204395][  T213] RSP: 002b:00007fff242957e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.204594][  T213] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6259cb9bcb
[   10.204784][  T213] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.204981][  T213] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.205178][  T213] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff24297a10
[   10.205379][  T213] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff24298884
| [   10.209467][  T213] ------------[ cut here ]------------
| [   10.209604][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/213
| [   10.209837][  T213] Modules linked in:
| [   10.210209][  T213] Tainted: [W]=WARN
[   10.210306][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.210468][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.210638][  T213] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.211115][  T213] RSP: 0018:ffa00000009e7a68 EFLAGS: 00010286
[   10.211278][  T213] RAX: 00000000ffffffa6 RBX: ff11000009f103c0 RCX: 1ff400000013cf13
[   10.211476][  T213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009f1047c
[   10.211670][  T213] RBP: ff1100000ff14000 R08: 1fe22000013e2091 R09: ff1100000fe08b80
[   10.211872][  T213] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.212069][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff14000
[   10.212267][  T213] FS:  00007f62599f7840(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   10.212492][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.212654][  T213] CR2: 000056334d699d5c CR3: 000000001015f003 CR4: 0000000000771ef0
[   10.212858][  T213] PKRU: 55555554
[   10.212954][  T213] Call Trace:
[   10.213197][  T213]  <TASK>
[   10.213264][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.213397][  T213]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.213527][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.213625][  T213]  register_netdevice (net/core/dev.c:11488)
[   10.213764][  T213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.213933][  T213]  register_netdev (net/core/dev.c:11552)
[   10.214067][  T213]  sit_init_net (net/ipv6/sit.c:1860)
[   10.214198][  T213]  ops_init (net/core/net_namespace.c:137)
[   10.214300][  T213]  setup_net (net/core/net_namespace.c:446)
[   10.214398][  T213]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.214527][  T213]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.214662][  T213]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.214793][  T213]  copy_net_ns (net/core/net_namespace.c:579)
[   10.214929][  T213]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.215064][  T213]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.215208][  T213]  ksys_unshare (kernel/fork.c:3243)
[   10.215336][  T213]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.215471][  T213]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.215600][  T213]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.215730][  T213]  ? __ia32_sys_open (fs/open.c:1374)
[   10.215865][  T213]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.215997][  T213]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.216128][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.216256][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.216393][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.216523][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.216683][  T213] RIP: 0033:0x7f6259cb9bcb
[   10.216819][  T213] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.217291][  T213] RSP: 002b:00007fff242957e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.217485][  T213] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6259cb9bcb
[   10.217676][  T213] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.217874][  T213] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.218080][  T213] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff24297a10
[   10.218272][  T213] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff24298884
| [   10.222690][  T213] ------------[ cut here ]------------
| [   10.222836][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/213
| [   10.223067][  T213] Modules linked in:
| [   10.223430][  T213] Tainted: [W]=WARN
[   10.223528][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.223695][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.223866][  T213] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.224339][  T213] RSP: 0018:ffa00000009e7a78 EFLAGS: 00010286
[   10.224508][  T213] RAX: 00000000ffffffa6 RBX: ff1100000aaa5a80 RCX: 1ff400000013cf15
[   10.224699][  T213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aaa5b3c
[   10.224896][  T213] RBP: ff1100000e919000 R08: 1fe2200001554b69 R09: ff1100000fe08b80
[   10.225092][  T213] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.225287][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e919000
[   10.225486][  T213] FS:  00007f62599f7840(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   10.225710][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.225877][  T213] CR2: 000056334d699d5c CR3: 000000001015f003 CR4: 0000000000771ef0
[   10.226082][  T213] PKRU: 55555554
[   10.226179][  T213] Call Trace:
[   10.226280][  T213]  <TASK>
[   10.226346][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.226475][  T213]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.226604][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.226703][  T213]  register_netdevice (net/core/dev.c:11488)
[   10.226841][  T213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.227011][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.227149][  T213]  register_netdev (net/core/dev.c:11552)
[   10.227278][  T213]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.227408][  T213]  ops_init (net/core/net_namespace.c:137)
[   10.227507][  T213]  setup_net (net/core/net_namespace.c:446)
[   10.227604][  T213]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.227733][  T213]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.227872][  T213]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.228015][  T213]  copy_net_ns (net/core/net_namespace.c:579)
[   10.228146][  T213]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.228278][  T213]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.228408][  T213]  ksys_unshare (kernel/fork.c:3243)
[   10.228537][  T213]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.228665][  T213]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.228810][  T213]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.228940][  T213]  ? __ia32_sys_open (fs/open.c:1374)
[   10.229077][  T213]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.229205][  T213]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.229333][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.229461][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.229593][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.229727][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.229896][  T213] RIP: 0033:0x7f6259cb9bcb
[   10.230033][  T213] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.230490][  T213] RSP: 002b:00007fff242957e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.230693][  T213] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6259cb9bcb
[   10.230888][  T213] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.231084][  T213] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.231276][  T213] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff24297a10
[   10.231477][  T213] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff24298884
| [   10.270643][  T214] ------------[ cut here ]------------
| [   10.270838][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/214
| [   10.271126][  T214] Modules linked in:
| [   10.271583][  T214] Tainted: [W]=WARN
[   10.271728][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.271945][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.272170][  T214] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.272675][  T214] RSP: 0018:ffa00000008d7020 EFLAGS: 00010286
[   10.272895][  T214] RAX: 00000000ffffffa6 RBX: ff1100000aaa5000 RCX: 1ff400000011adca
[   10.273151][  T214] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aaa50bc
[   10.273390][  T214] RBP: ff11000004c3c000 R08: 1fe2200001554a19 R09: ff11000005028b58
[   10.273631][  T214] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.273876][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.274136][  T214] FS:  00007f4fa6031840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   10.274407][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.274615][  T214] CR2: 00007f4fa63011a0 CR3: 000000000ef16003 CR4: 0000000000771ef0
[   10.274863][  T214] PKRU: 55555554
[   10.275018][  T214] Call Trace:
[   10.275162][  T214]  <TASK>
[   10.275276][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.275458][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.275604][  T214]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.275778][  T214]  __dev_notify_flags (net/core/dev.c:9787)
[   10.275966][  T214]  ? netif_change_name (net/core/dev.c:1495)
[   10.276155][  T214]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.276331][  T214]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.276507][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.276687][  T214]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.276874][  T214]  netif_change_flags (net/core/dev.c:9820)
[   10.277067][  T214]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.277244][  T214]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.277449][  T214]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.277626][  T214]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.277846][  T214]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.278035][  T214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.278210][  T214]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.278386][  T214]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.278564][  T214]  ? __kernel_text_address (kernel/extable.c:79)
[   10.278740][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.278925][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.279120][  T214]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.279297][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.279473][  T214]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.279647][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.279828][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.280020][  T214]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.280196][  T214]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.280372][  T214]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.280553][  T214]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.280732][  T214]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.280918][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.281109][  T214]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.281288][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.281463][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.281641][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.281836][  T214]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.282028][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.282209][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.282383][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.282559][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.282736][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.282916][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.283104][  T214]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.283287][  T214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.283463][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.283638][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.283821][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.284009][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.284187][  T214]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.284365][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.284542][  T214]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.284725][  T214]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.284909][  T214]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.285103][  T214]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.285282][  T214]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.285459][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.285638][  T214]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.285823][  T214]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.286020][  T214]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.286201][  T214]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.286380][  T214]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.286556][  T214]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.286763][  T214]  ? move_addr_to_kernel (net/socket.c:258)
[   10.286997][  T214]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.287176][  T214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.287359][  T214]  ___sys_sendmsg (net/socket.c:2752)
[   10.287534][  T214]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.287742][  T214]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.287941][  T214]  __sys_sendmsg (net/socket.c:2784)
[   10.288134][  T214]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.288310][  T214]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.288522][  T214]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.288702][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.288886][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.289079][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.289258][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.289437][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.289645][  T214] RIP: 0033:0x7f4fa626b08e
[   10.289834][  T214] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.290357][  T214] RSP: 002b:00007ffcb9f78500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.290602][  T214] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4fa626b08e
[   10.290850][  T214] RDX: 0000000000000000 RSI: 00007ffcb9f785b0 RDI: 0000000000000005
[   10.291108][  T214] RBP: 00007ffcb9f78510 R08: 0000000000000000 R09: 0000000000000000
[   10.291349][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e8
[   10.291591][  T214] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb9f78c80
| [   11.063799][  T241] ------------[ cut here ]------------
| [   11.064071][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/241
| [   11.064356][  T241] Modules linked in:
| [   11.064921][  T241] Tainted: [W]=WARN
[   11.065673][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.065954][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.066194][  T241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.066719][  T241] RSP: 0018:ffa0000000b26e30 EFLAGS: 00010286
[   11.066945][  T241] RAX: 00000000ffffffa6 RBX: ff1100000f8f5540 RCX: 1ff4000000164d8c
[   11.067203][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8f55fc
[   11.067449][  T241] RBP: ff11000009314000 R08: 1fe2200001f1eac1 R09: ff1100000f920b80
[   11.067697][  T241] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.067958][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ec38400
[   11.068224][  T241] FS:  00007f03c9fca840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   11.068511][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.068726][  T241] CR2: 00007f03ca331f65 CR3: 0000000001e13005 CR4: 0000000000771ef0
[   11.068996][  T241] PKRU: 55555554
[   11.069143][  T241] Call Trace:
[   11.069290][  T241]  <TASK>
[   11.069406][  T241]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.069621][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.069815][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.069965][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.070162][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.070344][  T241]  __dev_notify_flags (net/core/dev.c:9787)
[   11.070527][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.070710][  T241]  ? netif_change_name (net/core/dev.c:1495)
[   11.070898][  T241]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.071094][  T241]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   11.071325][  T241]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   11.071545][  T241]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.071726][  T241]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.071914][  T241]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.072108][  T241]  veth_newlink (drivers/net/veth.c:1871)
[   11.072291][  T241]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.072469][  T241]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.072653][  T241]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.072840][  T241]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.073049][  T241]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.073230][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.073412][  T241]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.073592][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.073775][  T241]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.073971][  T241]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.074166][  T241]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.074347][  T241]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.074530][  T241]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.074717][  T241]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.074961][  T241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.075175][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.075357][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.075541][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.075720][  T241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.075909][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.076106][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.076290][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.076470][  T241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.076651][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.076840][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.077035][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.077219][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.077398][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.077579][  T241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.077760][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.077950][  T241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.078143][  T241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.078325][  T241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.078507][  T241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.078690][  T241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.078880][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.079073][  T241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.079255][  T241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.079436][  T241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.079622][  T241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.079805][  T241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.080009][  T241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.080220][  T241]  ? move_addr_to_kernel (net/socket.c:258)
[   11.080406][  T241]  ___sys_sendmsg (net/socket.c:2752)
[   11.080587][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.080768][  T241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.080971][  T241]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.081167][  T241]  __sys_sendmsg (net/socket.c:2784)
[   11.081347][  T241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.081531][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.081713][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.081960][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.082159][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.082341][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.082528][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.082741][  T241] RIP: 0033:0x7f03ca20408e
[   11.082939][  T241] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.083475][  T241] RSP: 002b:00007ffdebae2060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.083728][  T241] RAX: ffffffffffffffda RBX: 00007ffdebae2808 RCX: 00007f03ca20408e
[   11.083998][  T241] RDX: 0000000000000000 RSI: 00007ffdebae2110 RDI: 0000000000000005
[   11.084248][  T241] RBP: 00007ffdebae2070 R08: 0000000000000000 R09: 0000000000000000
[   11.084495][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.084746][  T241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdebae27e0
| [   11.102370][  T241] ------------[ cut here ]------------
| [   11.102545][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/241
| [   11.102788][  T241] Modules linked in:
| [   11.103188][  T241] Tainted: [W]=WARN
[   11.103292][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.103459][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.103632][  T241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.104204][  T241] RSP: 0018:ffa0000000b271b0 EFLAGS: 00010286
[   11.104370][  T241] RAX: 00000000ffffffa6 RBX: ff1100000c64c3c0 RCX: 1ff4000000164dfc
[   11.104566][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c64c47c
[   11.104761][  T241] RBP: ff1100000a884000 R08: 1fe22000018c9891 R09: ff1100000f920b80
[   11.104963][  T241] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.105165][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa4403b20
[   11.105364][  T241] FS:  00007f03c9fca840(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   11.105595][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.105760][  T241] CR2: 00007f127af65000 CR3: 0000000001e13005 CR4: 0000000000771ef0
[   11.105967][  T241] PKRU: 55555554
[   11.106072][  T241] Call Trace:
[   11.106172][  T241]  <TASK>
[   11.106241][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.106375][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.106479][  T241]  __dev_notify_flags (net/core/dev.c:9787)
[   11.106675][  T241]  ? netif_change_name (net/core/dev.c:1495)
[   11.106881][  T241]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.107093][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.107300][  T241]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.107488][  T241]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.107622][  T241]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.107755][  T241]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.107894][  T241]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.108040][  T241]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.108175][  T241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.108311][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.108442][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.108575][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.108708][  T241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.108845][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.108987][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.109120][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.109253][  T241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.109385][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.109521][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.109651][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.109784][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.109919][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.110087][  T241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.110220][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.110353][  T241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.110489][  T241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.110621][  T241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.110759][  T241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.110898][  T241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.111038][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.111170][  T241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.111302][  T241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.111438][  T241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.111573][  T241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.111705][  T241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.111842][  T241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.112011][  T241]  ? move_addr_to_kernel (net/socket.c:258)
[   11.112148][  T241]  ___sys_sendmsg (net/socket.c:2752)
[   11.112280][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.112413][  T241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.112555][  T241]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.112688][  T241]  __sys_sendmsg (net/socket.c:2784)
[   11.112826][  T241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.112961][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.113098][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.113231][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.113366][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.113498][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.113631][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.113795][  T241] RIP: 0033:0x7f03ca20408e
[   11.113941][  T241] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.114419][  T241] RSP: 002b:00007ffdebae2060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.114621][  T241] RAX: ffffffffffffffda RBX: 00007ffdebae2808 RCX: 00007f03ca20408e
[   11.114823][  T241] RDX: 0000000000000000 RSI: 00007ffdebae2110 RDI: 0000000000000005
[   11.115025][  T241] RBP: 00007ffdebae2070 R08: 0000000000000000 R09: 0000000000000000
[   11.115224][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.115422][  T241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdebae27e0
| [   11.173281][  T242] ------------[ cut here ]------------
| [   11.173512][  T242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/242
| [   11.173864][  T242] Modules linked in:
| [   11.174438][  T242] Tainted: [W]=WARN
[   11.174584][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.174829][  T242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.175102][  T242] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.175784][  T242] RSP: 0018:ffa0000000b36ff8 EFLAGS: 00010286
[   11.176059][  T242] RAX: 00000000ffffffa6 RBX: ff1100000c64cac0 RCX: 1ff4000000166dc5
[   11.176362][  T242] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c64cb7c
[   11.176662][  T242] RBP: ff11000009314000 R08: 1fe22000018c9971 R09: ff11000009528b58
[   11.176968][  T242] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.177423][  T242] R13: 0000000000000000 R14: ffa0000000b37140 R15: ff1100000ec32a50
[   11.177734][  T242] FS:  00007fe389b87840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   11.178108][  T242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.178362][  T242] CR2: 000000001a8d5988 CR3: 000000000e8bf001 CR4: 0000000000771ef0
[   11.178662][  T242] PKRU: 55555554
[   11.178802][  T242] Call Trace:
[   11.178947][  T242]  <TASK>
[   11.179059][  T242]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   11.179255][  T242]  __dev_change_net_namespace (net/core/dev.c:12635)
[   11.179501][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.179696][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.179899][  T242]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.180151][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.180354][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.180563][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.180761][  T242]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.180962][  T242]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.181170][  T242]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.181369][  T242]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.181568][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.181815][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.182019][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.182214][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.182409][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.182606][  T242]  ? __kernel_text_address (kernel/extable.c:79)
[   11.182827][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.183038][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.183235][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.183433][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.183629][  T242]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.183827][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.184028][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.184223][  T242]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.184420][  T242]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.184621][  T242]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.184822][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.185030][  T242]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.185225][  T242]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.185426][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.185628][  T242]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.185830][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.186036][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.186233][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.186426][  T242]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.186621][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.186826][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.187032][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.187226][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.187424][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.187628][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.187827][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.188043][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.188236][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.188431][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.188629][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.188825][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.189031][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.189228][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.189424][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.189627][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.189826][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.190034][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.190230][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.190427][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.190624][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.190825][  T242]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.191031][  T242]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.191230][  T242]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.191425][  T242]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.191619][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.191864][  T242]  ? move_addr_to_kernel (net/socket.c:258)
[   11.192073][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.192269][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.192467][  T242]  ___sys_sendmsg (net/socket.c:2752)
[   11.192663][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.192912][  T242]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.193140][  T242]  __sys_sendmsg (net/socket.c:2784)
[   11.193335][  T242]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.193529][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.193780][  T242]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.193978][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.194183][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.194378][  T242]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.194573][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.194768][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.195025][  T242] RIP: 0033:0x7fe389dc108e
[   11.195237][  T242] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.195947][  T242] RSP: 002b:00007ffee0ef5ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.196252][  T242] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe389dc108e
[   11.196551][  T242] RDX: 0000000000000000 RSI: 00007ffee0ef5c50 RDI: 0000000000000005
[   11.196852][  T242] RBP: 00007ffee0ef5bb0 R08: 0000000000000000 R09: 0000000000000000
[   11.197151][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.197448][  T242] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee0ef6320
| [   11.202645][  T242] ------------[ cut here ]------------
| [   11.202855][  T242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/242
| [   11.203214][  T242] Modules linked in:
| [   11.203777][  T242] Tainted: [W]=WARN
[   11.203936][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.204194][  T242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.204458][  T242] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.205186][  T242] RSP: 0018:ffa0000000b36fc0 EFLAGS: 00010286
[   11.205441][  T242] RAX: 00000000ffffffa6 RBX: ff1100000c64d8c0 RCX: 1ff4000000166dbe
[   11.205739][  T242] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c64d97c
[   11.206057][  T242] RBP: ff11000009314000 R08: 1fe22000018c9b31 R09: ff11000009528b58
[   11.206358][  T242] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.206654][  T242] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ec32a50
[   11.206961][  T242] FS:  00007fe389b87840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   11.207327][  T242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.207578][  T242] CR2: 000000001a8d5988 CR3: 000000000e8bf001 CR4: 0000000000771ef0
[   11.207886][  T242] PKRU: 55555554
[   11.208045][  T242] Call Trace:
[   11.208193][  T242]  <TASK>
[   11.208298][  T242]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.208497][  T242]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.208702][  T242]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.208861][  T242]  __dev_change_net_namespace (net/core/dev.c:12695)
[   11.209120][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.209320][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.209523][  T242]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.209769][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.209972][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.210185][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.210385][  T242]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.210586][  T242]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.210789][  T242]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.211005][  T242]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.211207][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.211457][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.211659][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.211862][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.212070][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.212273][  T242]  ? __kernel_text_address (kernel/extable.c:79)
[   11.212477][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.212679][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.212880][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.213091][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.213290][  T242]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.213488][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.213685][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.213888][  T242]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.214096][  T242]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.214294][  T242]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.214496][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.214700][  T242]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.214905][  T242]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.215141][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.215355][  T242]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.215557][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.215756][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.215959][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.216170][  T242]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.216368][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.216572][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.216770][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.216976][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.217184][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.217387][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.217587][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.217789][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.218001][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.218197][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.218401][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.218600][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.218802][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.219012][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.219212][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.219433][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.219633][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.219842][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.220051][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.220249][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.220450][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.220651][  T242]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.220860][  T242]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.221067][  T242]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.221263][  T242]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.221460][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.221706][  T242]  ? move_addr_to_kernel (net/socket.c:258)
[   11.221913][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.222119][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.222325][  T242]  ___sys_sendmsg (net/socket.c:2752)
[   11.222523][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.222770][  T242]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.223007][  T242]  __sys_sendmsg (net/socket.c:2784)
[   11.223207][  T242]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.223403][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.223655][  T242]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.223864][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.224073][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.224270][  T242]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.224468][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.224665][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.224920][  T242] RIP: 0033:0x7fe389dc108e
[   11.225138][  T242] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.225853][  T242] RSP: 002b:00007ffee0ef5ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.226160][  T242] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe389dc108e
[   11.226456][  T242] RDX: 0000000000000000 RSI: 00007ffee0ef5c50 RDI: 0000000000000005
[   11.226753][  T242] RBP: 00007ffee0ef5bb0 R08: 0000000000000000 R09: 0000000000000000
[   11.227060][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.227358][  T242] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee0ef6320
| [   11.238268][  T242] ------------[ cut here ]------------
| [   11.238410][  T242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/242
| [   11.238629][  T242] Modules linked in:
| [   11.239002][  T242] Tainted: [W]=WARN
[   11.239099][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.239266][  T242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.239433][  T242] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.239898][  T242] RSP: 0018:ffa0000000b37038 EFLAGS: 00010286
[   11.240077][  T242] RAX: 00000000ffffffa6 RBX: ff1100000c64dc40 RCX: 1ff4000000166dcd
[   11.240270][  T242] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c64dcfc
[   11.240458][  T242] RBP: ff11000009314000 R08: 1fe22000018c9ba1 R09: ff11000009528b58
[   11.240648][  T242] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   11.240841][  T242] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.241042][  T242] FS:  00007fe389b87840(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   11.241266][  T242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.241427][  T242] CR2: 00007f03ca097574 CR3: 000000000e8bf006 CR4: 0000000000771ef0
[   11.241620][  T242] PKRU: 55555554
[   11.241716][  T242] Call Trace:
[   11.241815][  T242]  <TASK>
[   11.241885][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.242019][  T242]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.242146][  T242]  notifier_call_chain (kernel/notifier.c:85)
[   11.242277][  T242]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   11.242404][  T242]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.242565][  T242]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   11.242723][  T242]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.242856][  T242]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.242989][  T242]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   11.243119][  T242]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.243248][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.243412][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.243538][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.243665][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.243792][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.243922][  T242]  ? __kernel_text_address (kernel/extable.c:79)
[   11.244054][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.244182][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.244307][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.244434][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.244558][  T242]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.244686][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.244816][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.244942][  T242]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.245076][  T242]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.245202][  T242]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.245333][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.245458][  T242]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.245585][  T242]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.245716][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.245848][  T242]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.245977][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.246107][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.246234][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.246359][  T242]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.246486][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.246616][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.246744][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.246876][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.247009][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.247136][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.247263][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.247396][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.247521][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.247648][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.247777][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.247905][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.248037][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.248165][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.248292][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.248421][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.248545][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.248674][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.248802][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.248934][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.249067][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.249195][  T242]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.249323][  T242]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.249451][  T242]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.249576][  T242]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.249707][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.249868][  T242]  ? move_addr_to_kernel (net/socket.c:258)
[   11.249999][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.250126][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.250256][  T242]  ___sys_sendmsg (net/socket.c:2752)
[   11.250380][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.250540][  T242]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.250679][  T242]  __sys_sendmsg (net/socket.c:2784)
[   11.250806][  T242]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.250940][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.251105][  T242]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.251232][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.251359][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.251485][  T242]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.251612][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.251739][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.251903][  T242] RIP: 0033:0x7fe389dc108e
[   11.252041][  T242] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.252497][  T242] RSP: 002b:00007ffee0ef5ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.252687][  T242] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe389dc108e
[   11.252880][  T242] RDX: 0000000000000000 RSI: 00007ffee0ef5c50 RDI: 0000000000000005
[   11.253075][  T242] RBP: 00007ffee0ef5bb0 R08: 0000000000000000 R09: 0000000000000000
[   11.253266][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.253456][  T242] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee0ef6320
| [   11.255682][  T242] ------------[ cut here ]------------
| [   11.255816][  T242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/242
| [   11.256045][  T242] Modules linked in:
| [   11.256406][  T242] Tainted: [W]=WARN
[   11.256504][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.256669][  T242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.256841][  T242] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.257315][  T242] RSP: 0018:ffa0000000b37020 EFLAGS: 00010286
[   11.257480][  T242] RAX: 00000000ffffffa6 RBX: ff1100000966a580 RCX: 1ff4000000166dca
[   11.257674][  T242] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000966a63c
[   11.257875][  T242] RBP: ff11000009314000 R08: 1fe22000012cd4c9 R09: ff11000009528b58
[   11.258073][  T242] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   11.258269][  T242] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.258464][  T242] FS:  00007fe389b87840(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   11.258690][  T242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.258855][  T242] CR2: 00007f03ca097574 CR3: 000000000e8bf006 CR4: 0000000000771ef0
[   11.259054][  T242] PKRU: 55555554
[   11.259151][  T242] Call Trace:
[   11.259247][  T242]  <TASK>
[   11.259313][  T242]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.259444][  T242]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.259543][  T242]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.259672][  T242]  __dev_notify_flags (net/core/dev.c:9787)
[   11.259803][  T242]  ? netif_change_name (net/core/dev.c:1495)
[   11.259938][  T242]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.260073][  T242]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.260203][  T242]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   11.260363][  T242]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.260495][  T242]  netif_change_flags (net/core/dev.c:9820)
[   11.260626][  T242]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.260757][  T242]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.260891][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.261058][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.261187][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.261316][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.261444][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.261573][  T242]  ? __kernel_text_address (kernel/extable.c:79)
[   11.261702][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.261838][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.261966][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.262101][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.262229][  T242]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.262357][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.262485][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.262613][  T242]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.262742][  T242]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.262879][  T242]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.263012][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.263142][  T242]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.263272][  T242]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.263403][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.263535][  T242]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.263665][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.263792][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.263927][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.264059][  T242]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.264188][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.264320][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.264447][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.264574][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.264701][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.264836][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.264966][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.265097][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.265225][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.265351][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.265481][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.265608][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.265737][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.265872][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.266005][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.266135][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.266265][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.266394][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.266524][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.266653][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.266782][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.266916][  T242]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.267052][  T242]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.267183][  T242]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.267311][  T242]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.267439][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.267600][  T242]  ? move_addr_to_kernel (net/socket.c:258)
[   11.267730][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.267865][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.267999][  T242]  ___sys_sendmsg (net/socket.c:2752)
[   11.268129][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.268290][  T242]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.268431][  T242]  __sys_sendmsg (net/socket.c:2784)
[   11.268561][  T242]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.268689][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.268855][  T242]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.269010][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.269140][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.269268][  T242]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.269398][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.269527][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.269687][  T242] RIP: 0033:0x7fe389dc108e
[   11.269825][  T242] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.270288][  T242] RSP: 002b:00007ffee0ef5ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.270482][  T242] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe389dc108e
[   11.270674][  T242] RDX: 0000000000000000 RSI: 00007ffee0ef5c50 RDI: 0000000000000005
[   11.270870][  T242] RBP: 00007ffee0ef5bb0 R08: 0000000000000000 R09: 0000000000000000
[   11.271065][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.271260][  T242] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee0ef6320
| [   11.323486][  T243] ------------[ cut here ]------------
| [   11.323718][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/243
| [   11.324557][  T243] Modules linked in:
| [   11.325201][  T243] Tainted: [W]=WARN
[   11.325362][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.325625][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.325905][  T243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.326674][  T243] RSP: 0018:ffa0000000b46e30 EFLAGS: 00010286
[   11.326951][  T243] RAX: 00000000ffffffa6 RBX: ff1100000575e3c0 RCX: 1ff4000000168d8c
[   11.327276][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000575e47c
[   11.327587][  T243] RBP: ff1100000ff74000 R08: 1fe2200000aebc91 R09: ff1100000952ae80
[   11.327905][  T243] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.328229][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009e3ae00
[   11.328543][  T243] FS:  00007f6e7db74840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   11.328914][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.329188][  T243] CR2: 000000000042ebe0 CR3: 000000000bc16003 CR4: 0000000000771ef0
[   11.329503][  T243] PKRU: 55555554
[   11.329659][  T243] Call Trace:
[   11.329819][  T243]  <TASK>
[   11.329930][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.330152][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.330312][  T243]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.330573][  T243]  __dev_notify_flags (net/core/dev.c:9787)
[   11.330783][  T243]  ? netif_change_name (net/core/dev.c:1495)
[   11.331007][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.331214][  T243]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.331420][  T243]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.331628][  T243]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.331841][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.332058][  T243]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.332269][  T243]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.332478][  T243]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.332685][  T243]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.332901][  T243]  veth_newlink (drivers/net/veth.c:1871)
[   11.333119][  T243]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.333327][  T243]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.333534][  T243]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.333741][  T243]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.333999][  T243]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.334209][  T243]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.334421][  T243]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.334631][  T243]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.334849][  T243]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.335071][  T243]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.335283][  T243]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.335493][  T243]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.335702][  T243]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.335926][  T243]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.336150][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.336363][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.336570][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.336779][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.336999][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.337210][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.337428][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.337640][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.337854][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.338071][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.338277][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.338484][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.338694][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.338908][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.339126][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.339334][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.339544][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.339759][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.339972][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.340193][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.340407][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.340617][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.340832][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.341051][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.341262][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.341476][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.341685][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.341899][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.342168][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   11.342387][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   11.342595][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.342806][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.343046][  T243]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.343261][  T243]  __sys_sendmsg (net/socket.c:2784)
[   11.343471][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.343691][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.343905][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.344124][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.344334][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.344542][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.344753][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.345026][  T243] RIP: 0033:0x7f6e7ddae08e
[   11.345246][  T243] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.346008][  T243] RSP: 002b:00007ffc8f94fd90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.346324][  T243] RAX: ffffffffffffffda RBX: 00007ffc8f950538 RCX: 00007f6e7ddae08e
[   11.346636][  T243] RDX: 0000000000000000 RSI: 00007ffc8f94fe40 RDI: 0000000000000005
[   11.346955][  T243] RBP: 00007ffc8f94fda0 R08: 0000000000000000 R09: 0000000000000000
[   11.347276][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.347587][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8f950510
| [   11.374429][  T243] ------------[ cut here ]------------
| [   11.374647][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/243
| [   11.375015][  T243] Modules linked in:
| [   11.375659][  T243] Tainted: [W]=WARN
[   11.375819][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.376090][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.376360][  T243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.377628][  T243] RSP: 0018:ffa0000000b471b0 EFLAGS: 00010286
[   11.377892][  T243] RAX: 00000000ffffffa6 RBX: ff110000057d11c0 RCX: 1ff4000000168dfc
[   11.378211][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057d127c
[   11.378516][  T243] RBP: ff1100000ff71000 R08: 1fe2200000afa251 R09: ff1100000952ae80
[   11.378825][  T243] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.379139][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa4403b20
[   11.379444][  T243] FS:  00007f6e7db74840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   11.379802][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.380075][  T243] CR2: 000000000042ebe0 CR3: 000000000bc16003 CR4: 0000000000771ef0
[   11.380382][  T243] PKRU: 55555554
[   11.380536][  T243] Call Trace:
[   11.380688][  T243]  <TASK>
[   11.380795][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.381019][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.381176][  T243]  __dev_notify_flags (net/core/dev.c:9787)
[   11.381382][  T243]  ? netif_change_name (net/core/dev.c:1495)
[   11.381589][  T243]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.381791][  T243]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.382013][  T243]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.382222][  T243]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.382433][  T243]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.382638][  T243]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.382844][  T243]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.383069][  T243]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.383283][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.383491][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.383695][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.383904][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.384118][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.384323][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.384535][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.384742][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.384955][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.385171][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.385377][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.385581][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.385794][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.386009][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.386218][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.386423][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.386629][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.386847][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.387060][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.387273][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.387481][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.387687][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.387903][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.388120][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.388329][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.388562][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.388769][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.388990][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.389245][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   11.389462][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   11.389670][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.389881][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.390115][  T243]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.390328][  T243]  __sys_sendmsg (net/socket.c:2784)
[   11.390534][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.390747][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.390959][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.391173][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.391377][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.391583][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.391791][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.392061][  T243] RIP: 0033:0x7f6e7ddae08e
[   11.392276][  T243] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.393026][  T243] RSP: 002b:00007ffc8f94fd90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.393338][  T243] RAX: ffffffffffffffda RBX: 00007ffc8f950538 RCX: 00007f6e7ddae08e
[   11.393648][  T243] RDX: 0000000000000000 RSI: 00007ffc8f94fe40 RDI: 0000000000000005
[   11.393960][  T243] RBP: 00007ffc8f94fda0 R08: 0000000000000000 R09: 0000000000000000
[   11.394277][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.394587][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8f950510
| [   11.431698][  T244] ------------[ cut here ]------------
| [   11.431882][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/244
| [   11.432166][  T244] Modules linked in:
| [   11.432612][  T244] Tainted: [W]=WARN
[   11.432753][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.432971][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.433197][  T244] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.433691][  T244] RSP: 0018:ffa0000000b56ff8 EFLAGS: 00010286
[   11.433904][  T244] RAX: 00000000ffffffa6 RBX: ff1100000d83e3c0 RCX: 1ff400000016adc5
[   11.434152][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d83e47c
[   11.434384][  T244] RBP: ff1100000ff74000 R08: 1fe2200001b07c91 R09: ff1100000fd3d158
[   11.434620][  T244] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.434860][  T244] R13: 0000000000000000 R14: ffa0000000b57140 R15: ff1100000bba43d0
[   11.435109][  T244] FS:  00007f956eafb840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   11.435375][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.435581][  T244] CR2: 0000000005654988 CR3: 000000000f951001 CR4: 0000000000771ef0
[   11.435825][  T244] PKRU: 55555554
[   11.435966][  T244] Call Trace:
[   11.436120][  T244]  <TASK>
[   11.436233][  T244]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   11.436408][  T244]  __dev_change_net_namespace (net/core/dev.c:12635)
[   11.436613][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.436784][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.436974][  T244]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.437191][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.437361][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.437535][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.437707][  T244]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.437887][  T244]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.438077][  T244]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.438256][  T244]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.438429][  T244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.438633][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.438806][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.439002][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.439174][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.439349][  T244]  ? __kernel_text_address (kernel/extable.c:79)
[   11.439525][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.439704][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.439885][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.440471][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.440644][  T244]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.440821][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.441007][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.441182][  T244]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.441359][  T244]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.441531][  T244]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.441705][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.441888][  T244]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.442074][  T244]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.442250][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.442426][  T244]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.442606][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.442778][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.442958][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.443143][  T244]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.443316][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.443493][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.443664][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.443843][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.444033][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.444209][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.444382][  T244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.444554][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.444726][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.444907][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.445096][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.445270][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.445443][  T244]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.445615][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.445788][  T244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.445973][  T244]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.446156][  T244]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.446331][  T244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.446505][  T244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.446683][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.446867][  T244]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.447058][  T244]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.447234][  T244]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.447409][  T244]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.447582][  T244]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.447755][  T244]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.447970][  T244]  ? move_addr_to_kernel (net/socket.c:258)
[   11.448158][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.448333][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.448507][  T244]  ___sys_sendmsg (net/socket.c:2752)
[   11.448680][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.448887][  T244]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.449082][  T244]  __sys_sendmsg (net/socket.c:2784)
[   11.449260][  T244]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.449432][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.449637][  T244]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.449817][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.450003][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.450176][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.450349][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.450523][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.450728][  T244] RIP: 0033:0x7f956ed3508e
[   11.450916][  T244] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.451418][  T244] RSP: 002b:00007fff40155e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.451657][  T244] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f956ed3508e
[   11.451899][  T244] RDX: 0000000000000000 RSI: 00007fff40155ee0 RDI: 0000000000000005
[   11.452147][  T244] RBP: 00007fff40155e40 R08: 0000000000000000 R09: 0000000000000000
[   11.452382][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.452615][  T244] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff401565b0
| [   11.455594][  T244] ------------[ cut here ]------------
| [   11.455765][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/244
| [   11.456057][  T244] Modules linked in:
| [   11.456507][  T244] Tainted: [W]=WARN
[   11.456649][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.456864][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.457094][  T244] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.457594][  T244] RSP: 0018:ffa0000000b56fc0 EFLAGS: 00010286
[   11.457799][  T244] RAX: 00000000ffffffa6 RBX: ff1100000d83f1c0 RCX: 1ff400000016adbe
[   11.458064][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d83f27c
[   11.458299][  T244] RBP: ff1100000ff74000 R08: 1fe2200001b07e51 R09: ff1100000fd3d158
[   11.458534][  T244] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.458771][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bba43d0
[   11.459029][  T244] FS:  00007f956eafb840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   11.459301][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.459508][  T244] CR2: 0000000005654988 CR3: 000000000f951001 CR4: 0000000000771ef0
[   11.459746][  T244] PKRU: 55555554
[   11.459895][  T244] Call Trace:
[   11.460051][  T244]  <TASK>
[   11.460165][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.460347][  T244]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.460523][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.460669][  T244]  __dev_change_net_namespace (net/core/dev.c:12695)
[   11.460884][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.461069][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.461247][  T244]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.461453][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.461630][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.461817][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.462006][  T244]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.462184][  T244]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.462364][  T244]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.462544][  T244]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.462722][  T244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.462939][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.463127][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.463303][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.463479][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.463656][  T244]  ? __kernel_text_address (kernel/extable.c:79)
[   11.463841][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.464032][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.464211][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.464387][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.464564][  T244]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.464740][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.464918][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.465107][  T244]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.465284][  T244]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.465466][  T244]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.465643][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.465828][  T244]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.466020][  T244]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.466200][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.466380][  T244]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.466558][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.466731][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.466918][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.467107][  T244]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.467281][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.467459][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.467635][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.467818][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.468024][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.468205][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.468382][  T244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.468558][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.468733][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.468914][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.469101][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.469276][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.469453][  T244]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.469634][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.469819][  T244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.470012][  T244]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.470186][  T244]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.470364][  T244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.470542][  T244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.470719][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.470906][  T244]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.471100][  T244]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.471278][  T244]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.471456][  T244]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.471632][  T244]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.471814][  T244]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.472034][  T244]  ? move_addr_to_kernel (net/socket.c:258)
[   11.472211][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.472390][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.472568][  T244]  ___sys_sendmsg (net/socket.c:2752)
[   11.472743][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.472959][  T244]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.473162][  T244]  __sys_sendmsg (net/socket.c:2784)
[   11.473340][  T244]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.473515][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.473730][  T244]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.473914][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.474107][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.474283][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.474459][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.474635][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.474847][  T244] RIP: 0033:0x7f956ed3508e
[   11.475041][  T244] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.475548][  T244] RSP: 002b:00007fff40155e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.475787][  T244] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f956ed3508e
[   11.476053][  T244] RDX: 0000000000000000 RSI: 00007fff40155ee0 RDI: 0000000000000005
[   11.476292][  T244] RBP: 00007fff40155e40 R08: 0000000000000000 R09: 0000000000000000
[   11.476527][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.476764][  T244] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff401565b0
| [   11.479171][  T244] ------------[ cut here ]------------
| [   11.479344][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/244
| [   11.479613][  T244] Modules linked in:
| [   11.480155][  T244] Tainted: [W]=WARN
[   11.480356][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.480616][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.480892][  T244] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.481467][  T244] RSP: 0018:ffa0000000b57038 EFLAGS: 00010286
[   11.481707][  T244] RAX: 00000000ffffffa6 RBX: ff1100000d83f540 RCX: 1ff400000016adcd
[   11.481949][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d83f5fc
[   11.482197][  T244] RBP: ff1100000ff74000 R08: 1fe2200001b07ec1 R09: ff1100000fd3d158
[   11.482432][  T244] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   11.482671][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   11.482918][  T244] FS:  00007f956eafb840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   11.483203][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.483411][  T244] CR2: 0000000005654988 CR3: 000000000f951001 CR4: 0000000000771ef0
[   11.483651][  T244] PKRU: 55555554
[   11.483792][  T244] Call Trace:
[   11.483942][  T244]  <TASK>
[   11.484069][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.484243][  T244]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.484423][  T244]  notifier_call_chain (kernel/notifier.c:85)
[   11.484601][  T244]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   11.484777][  T244]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.485073][  T244]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   11.485283][  T244]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.485459][  T244]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.485638][  T244]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   11.485825][  T244]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.486015][  T244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.486223][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.486398][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.486574][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.486748][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.486932][  T244]  ? __kernel_text_address (kernel/extable.c:79)
[   11.487123][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.487303][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.487480][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.487656][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.487840][  T244]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.488029][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.488205][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.488383][  T244]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.488564][  T244]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.488741][  T244]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.488921][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.489111][  T244]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.489286][  T244]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.489467][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.489646][  T244]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.489833][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.490022][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.490199][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.490374][  T244]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.490551][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.490732][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.490914][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.491101][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.491279][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.491455][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.491631][  T244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.491806][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.492001][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.492176][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.492352][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.492528][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.492705][  T244]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.492886][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.493077][  T244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.493258][  T244]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.493435][  T244]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.493614][  T244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.493792][  T244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.493994][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.494171][  T244]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.494350][  T244]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.494527][  T244]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.494704][  T244]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.494889][  T244]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.495079][  T244]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.495290][  T244]  ? move_addr_to_kernel (net/socket.c:258)
[   11.495468][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.495645][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.495830][  T244]  ___sys_sendmsg (net/socket.c:2752)
[   11.496021][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.496230][  T244]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.496419][  T244]  __sys_sendmsg (net/socket.c:2784)
[   11.496599][  T244]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.496774][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.497003][  T244]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.497180][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.497357][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.497533][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.497710][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.497897][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.498128][  T244] RIP: 0033:0x7f956ed3508e
[   11.498311][  T244] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.498824][  T244] RSP: 002b:00007fff40155e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.499084][  T244] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f956ed3508e
[   11.499325][  T244] RDX: 0000000000000000 RSI: 00007fff40155ee0 RDI: 0000000000000005
[   11.499565][  T244] RBP: 00007fff40155e40 R08: 0000000000000000 R09: 0000000000000000
[   11.499806][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.500067][  T244] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff401565b0
| [   11.502739][  T244] ------------[ cut here ]------------
| [   11.502932][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/244
| [   11.503729][  T244] Modules linked in:
| [   11.504329][  T244] Tainted: [W]=WARN
[   11.504530][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.504797][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.505095][  T244] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.505667][  T244] RSP: 0018:ffa0000000b57020 EFLAGS: 00010286
[   11.505945][  T244] RAX: 00000000ffffffa6 RBX: ff1100000d83fe00 RCX: 1ff400000016adca
[   11.506259][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d83febc
[   11.506556][  T244] RBP: ff1100000ff74000 R08: 1fe2200001b07fd9 R09: ff1100000fd3d158
[   11.506862][  T244] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   11.507173][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.507473][  T244] FS:  00007f956eafb840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   11.507805][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.508093][  T244] CR2: 0000000005654988 CR3: 000000000f951001 CR4: 0000000000771ef0
[   11.508393][  T244] PKRU: 55555554
[   11.508590][  T244] Call Trace:
[   11.508791][  T244]  <TASK>
[   11.508970][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.509223][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.509429][  T244]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.509664][  T244]  __dev_notify_flags (net/core/dev.c:9787)
[   11.509903][  T244]  ? netif_change_name (net/core/dev.c:1495)
[   11.510155][  T244]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.510391][  T244]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.510625][  T244]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   11.510898][  T244]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.511151][  T244]  netif_change_flags (net/core/dev.c:9820)
[   11.511387][  T244]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.511624][  T244]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.511867][  T244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.512152][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.512388][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.512625][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.512867][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.513117][  T244]  ? __kernel_text_address (kernel/extable.c:79)
[   11.513355][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.513588][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.513834][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.514083][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.514324][  T244]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.514558][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.514792][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.515050][  T244]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.515288][  T244]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.515522][  T244]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.515756][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.516018][  T244]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.516258][  T244]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.516496][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.516731][  T244]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.517047][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.517295][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.517627][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.517976][  T244]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.518417][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.518685][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.518932][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.519185][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.519423][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.519671][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.519913][  T244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.520157][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.520395][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.520629][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.520874][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.521125][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.521361][  T244]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.521594][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.521836][  T244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.522087][  T244]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.522324][  T244]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.522560][  T244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.522794][  T244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.523051][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.523285][  T244]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.523519][  T244]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.523754][  T244]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.524019][  T244]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.524256][  T244]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.524489][  T244]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.524754][  T244]  ? move_addr_to_kernel (net/socket.c:258)
[   11.525015][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.525253][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.525489][  T244]  ___sys_sendmsg (net/socket.c:2752)
[   11.525728][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.526048][  T244]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.526297][  T244]  __sys_sendmsg (net/socket.c:2784)
[   11.526532][  T244]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.526764][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.527058][  T244]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.527295][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.527594][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.527936][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.528289][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.528610][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.528858][  T244] RIP: 0033:0x7f956ed3508e
[   11.529058][  T244] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.529564][  T244] RSP: 002b:00007fff40155e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.529816][  T244] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f956ed3508e
[   11.530068][  T244] RDX: 0000000000000000 RSI: 00007fff40155ee0 RDI: 0000000000000005
[   11.530309][  T244] RBP: 00007fff40155e40 R08: 0000000000000000 R09: 0000000000000000
[   11.530556][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.530797][  T244] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff401565b0
| [   11.576693][  T245] ------------[ cut here ]------------
| [   11.576851][  T245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/245
| [   11.577097][  T245] Modules linked in:
| [   11.577479][  T245] Tainted: [W]=WARN
[   11.577581][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.577756][  T245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.577953][  T245] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.579061][  T245] RSP: 0018:ffa0000000b66e30 EFLAGS: 00010286
[   11.579236][  T245] RAX: 00000000ffffffa6 RBX: ff1100000da14200 RCX: 1ff400000016cd8c
[   11.579438][  T245] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da142bc
[   11.579639][  T245] RBP: ff11000008339000 R08: 1fe2200001b42859 R09: ff1100000fd3ae80
[   11.579847][  T245] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.580051][  T245] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e0df500
[   11.580256][  T245] FS:  00007f1d25005840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   11.580494][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.580665][  T245] CR2: 000000000042ebe0 CR3: 000000000e9d7006 CR4: 0000000000771ef0
[   11.580874][  T245] PKRU: 55555554
[   11.580979][  T245] Call Trace:
[   11.581088][  T245]  <TASK>
[   11.581160][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.581296][  T245]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.581433][  T245]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.581536][  T245]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.581671][  T245]  __dev_notify_flags (net/core/dev.c:9787)
[   11.581807][  T245]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.581949][  T245]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.582092][  T245]  ? netif_change_name (net/core/dev.c:1495)
[   11.582229][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.582363][  T245]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.582496][  T245]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.582630][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.582765][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.582906][  T245]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.583050][  T245]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.583184][  T245]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.583318][  T245]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.583454][  T245]  veth_newlink (drivers/net/veth.c:1871)
[   11.583590][  T245]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.583723][  T245]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.583864][  T245]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.584002][  T245]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.584152][  T245]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.584287][  T245]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.584424][  T245]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.584558][  T245]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.584693][  T245]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.584834][  T245]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.584973][  T245]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.585112][  T245]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.585246][  T245]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.585386][  T245]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.585526][  T245]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.585662][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.585794][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.585933][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.586074][  T245]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.586207][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.586346][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.586482][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.586617][  T245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.586750][  T245]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.586889][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.587028][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.587163][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.587296][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.587431][  T245]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.587566][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.587703][  T245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.587845][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.587979][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.588122][  T245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.588258][  T245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.588394][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.588529][  T245]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.588664][  T245]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.588799][  T245]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.588942][  T245]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.589082][  T245]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.589217][  T245]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.589383][  T245]  ? move_addr_to_kernel (net/socket.c:258)
[   11.589521][  T245]  ___sys_sendmsg (net/socket.c:2752)
[   11.589656][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.589790][  T245]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.589940][  T245]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.590082][  T245]  __sys_sendmsg (net/socket.c:2784)
[   11.590218][  T245]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.590356][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.590492][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.590626][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.590762][  T245]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.590903][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.591044][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.591213][  T245] RIP: 0033:0x7f1d2523f08e
[   11.591357][  T245] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.591844][  T245] RSP: 002b:00007ffde28a26a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.592053][  T245] RAX: ffffffffffffffda RBX: 00007ffde28a2e48 RCX: 00007f1d2523f08e
[   11.592255][  T245] RDX: 0000000000000000 RSI: 00007ffde28a2750 RDI: 0000000000000005
[   11.592457][  T245] RBP: 00007ffde28a26b0 R08: 0000000000000000 R09: 0000000000000000
[   11.592658][  T245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.592865][  T245] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde28a2e20
| [   11.600343][  T245] ------------[ cut here ]------------
| [   11.600488][  T245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/245
| [   11.600723][  T245] Modules linked in:
| [   11.601108][  T245] Tainted: [W]=WARN
[   11.601209][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.601373][  T245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.601545][  T245] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.602029][  T245] RSP: 0018:ffa0000000b671b0 EFLAGS: 00010286
[   11.602196][  T245] RAX: 00000000ffffffa6 RBX: ff1100000b845c40 RCX: 1ff400000016cdfc
[   11.602392][  T245] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b845cfc
[   11.602588][  T245] RBP: ff1100000886c000 R08: 1fe2200001708ba1 R09: ff1100000fd3ae80
[   11.602785][  T245] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.602993][  T245] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa4403b20
[   11.603192][  T245] FS:  00007f1d25005840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   11.603433][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.603600][  T245] CR2: 000000000042ebe0 CR3: 000000000e9d7006 CR4: 0000000000771ef0
[   11.603797][  T245] PKRU: 55555554
[   11.603908][  T245] Call Trace:
[   11.604014][  T245]  <TASK>
[   11.604083][  T245]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.604222][  T245]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.604325][  T245]  __dev_notify_flags (net/core/dev.c:9787)
[   11.604458][  T245]  ? netif_change_name (net/core/dev.c:1495)
[   11.604599][  T245]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.604731][  T245]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.604872][  T245]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.605533][  T245]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.605669][  T245]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.605804][  T245]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.605944][  T245]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.606140][  T245]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.606284][  T245]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.606418][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.606550][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.606682][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.606819][  T245]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.606952][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.607151][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.607286][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.607418][  T245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.607550][  T245]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.607682][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.607818][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.607953][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.608143][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.608278][  T245]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.608409][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.608541][  T245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.608677][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.608814][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.608950][  T245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.609143][  T245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.609277][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.609410][  T245]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.609544][  T245]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.609678][  T245]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.609817][  T245]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.609950][  T245]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.610141][  T245]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.610304][  T245]  ? move_addr_to_kernel (net/socket.c:258)
[   11.610442][  T245]  ___sys_sendmsg (net/socket.c:2752)
[   11.610573][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.610706][  T245]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.610852][  T245]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.611045][  T245]  __sys_sendmsg (net/socket.c:2784)
[   11.611179][  T245]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.611315][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.611446][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.611580][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.611712][  T245]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.611852][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.612047][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.612212][  T245] RIP: 0033:0x7f1d2523f08e
[   11.612352][  T245] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.612823][  T245] RSP: 002b:00007ffde28a26a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.613082][  T245] RAX: ffffffffffffffda RBX: 00007ffde28a2e48 RCX: 00007f1d2523f08e
[   11.613281][  T245] RDX: 0000000000000000 RSI: 00007ffde28a2750 RDI: 0000000000000005
[   11.613478][  T245] RBP: 00007ffde28a26b0 R08: 0000000000000000 R09: 0000000000000000
[   11.613674][  T245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.613877][  T245] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde28a2e20
| [   11.643556][  T246] ------------[ cut here ]------------
| [   11.643710][  T246] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/246
| [   11.643952][  T246] Modules linked in:
| [   11.644327][  T246] Tainted: [W]=WARN
[   11.644426][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.644589][  T246] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.644757][  T246] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.645233][  T246] RSP: 0018:ffa0000000b77020 EFLAGS: 00010286
[   11.645396][  T246] RAX: 00000000ffffffa6 RBX: ff1100000a594740 RCX: 1ff400000016edca
[   11.645590][  T246] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a5947fc
[   11.645783][  T246] RBP: ff1100000886c000 R08: 1fe22000014b2901 R09: ff1100000fd38b58
[   11.645981][  T246] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   11.646180][  T246] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.646375][  T246] FS:  00007f1112642840(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   11.646602][  T246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.646766][  T246] CR2: 00007f11129121a0 CR3: 000000000e9f7004 CR4: 0000000000771ef0
[   11.647011][  T246] PKRU: 55555554
[   11.647109][  T246] Call Trace:
[   11.647206][  T246]  <TASK>
[   11.647274][  T246]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.647409][  T246]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.647508][  T246]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.647637][  T246]  __dev_notify_flags (net/core/dev.c:9787)
[   11.647768][  T246]  ? netif_change_name (net/core/dev.c:1495)
[   11.647904][  T246]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.648040][  T246]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.648169][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.648300][  T246]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.648432][  T246]  netif_change_flags (net/core/dev.c:9820)
[   11.648564][  T246]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.648694][  T246]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.648832][  T246]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.648962][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.649131][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.649262][  T246]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.649392][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.649522][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.649653][  T246]  ? __kernel_text_address (kernel/extable.c:79)
[   11.649783][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.649919][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.650054][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.650185][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.650315][  T246]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.650446][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.650575][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.650703][  T246]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.650840][  T246]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.650970][  T246]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.651105][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.651236][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.651369][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.651503][  T246]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.651635][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.651764][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.651900][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.652033][  T246]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.652162][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.652293][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.652423][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.652554][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.652684][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.652819][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.652951][  T246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.653162][  T246]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.653292][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.653421][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.653555][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.653684][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.653817][  T246]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.653947][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.654143][  T246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.654276][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.654405][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.654539][  T246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.654670][  T246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.654800][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.654935][  T246]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.655152][  T246]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.655347][  T246]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.655477][  T246]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.655606][  T246]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.655735][  T246]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.655898][  T246]  ? move_addr_to_kernel (net/socket.c:258)
[   11.656097][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.656227][  T246]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.656356][  T246]  ___sys_sendmsg (net/socket.c:2752)
[   11.656484][  T246]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.656645][  T246]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.656787][  T246]  __sys_sendmsg (net/socket.c:2784)
[   11.656921][  T246]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.657054][  T246]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.657216][  T246]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.657345][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.657474][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.657602][  T246]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.657733][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.657870][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.658034][  T246] RIP: 0033:0x7f111287c08e
[   11.658169][  T246] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.658626][  T246] RSP: 002b:00007ffc68282550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.658830][  T246] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f111287c08e
[   11.659028][  T246] RDX: 0000000000000000 RSI: 00007ffc68282600 RDI: 0000000000000005
[   11.659220][  T246] RBP: 00007ffc68282560 R08: 0000000000000000 R09: 0000000000000000
[   11.659411][  T246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.659605][  T246] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc68282cd0
| [   11.713637][  T247] ------------[ cut here ]------------
| [   11.713792][  T247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/247
| [   11.714063][  T247] Modules linked in:
| [   11.714427][  T247] Tainted: [W]=WARN
[   11.714525][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.714682][  T247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.714854][  T247] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.715311][  T247] RSP: 0018:ffa0000000b86ff8 EFLAGS: 00010286
[   11.715472][  T247] RAX: 00000000ffffffa6 RBX: ff1100000a594ac0 RCX: 1ff4000000170dc5
[   11.715660][  T247] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a594b7c
[   11.715853][  T247] RBP: ff11000008339000 R08: 1fe22000014b2971 R09: ff11000004dc5158
[   11.716050][  T247] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.716238][  T247] R13: 0000000000000000 R14: ffa0000000b87140 R15: ff11000009e3ce50
[   11.716428][  T247] FS:  00007f9419a0f840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   11.716648][  T247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.716813][  T247] CR2: 0000000015a73988 CR3: 000000000b80c002 CR4: 0000000000771ef0
[   11.717011][  T247] PKRU: 55555554
[   11.717106][  T247] Call Trace:
[   11.717200][  T247]  <TASK>
[   11.717266][  T247]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   11.717394][  T247]  __dev_change_net_namespace (net/core/dev.c:12635)
[   11.717556][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.717682][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.717816][  T247]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.717981][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.718115][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.718244][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.718371][  T247]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.718501][  T247]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.718632][  T247]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.718761][  T247]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.718896][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.719062][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.719188][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.719314][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.719438][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.719566][  T247]  ? __kernel_text_address (kernel/extable.c:79)
[   11.719693][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.719825][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.719953][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.720092][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.720221][  T247]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.720345][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.720471][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.720596][  T247]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.720724][  T247]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.720855][  T247]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.720989][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.721117][  T247]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.721243][  T247]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.721373][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.721503][  T247]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.721631][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.721757][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.721888][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.722052][  T247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.722179][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.722307][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.722432][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.722557][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.722683][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.722816][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.722946][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.723078][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.723205][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.723330][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.723458][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.723584][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.723712][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.723846][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.723973][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.724109][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.724235][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.724362][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.724490][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.724617][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.724745][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.724881][  T247]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.725015][  T247]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.725144][  T247]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.725273][  T247]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.725401][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.725556][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   11.725685][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.725818][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.725947][  T247]  ___sys_sendmsg (net/socket.c:2752)
[   11.726082][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.726240][  T247]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.726377][  T247]  __sys_sendmsg (net/socket.c:2784)
[   11.726504][  T247]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.726628][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.726785][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.726915][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.727047][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.727174][  T247]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.727300][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.727426][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.727583][  T247] RIP: 0033:0x7f9419c4908e
[   11.727718][  T247] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.728182][  T247] RSP: 002b:00007ffe13ba21b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.728375][  T247] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9419c4908e
[   11.728564][  T247] RDX: 0000000000000000 RSI: 00007ffe13ba2260 RDI: 0000000000000005
[   11.728753][  T247] RBP: 00007ffe13ba21c0 R08: 0000000000000000 R09: 0000000000000000
[   11.728948][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.729144][  T247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe13ba2930
| [   11.731748][  T247] ------------[ cut here ]------------
| [   11.731880][  T247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/247
| [   11.732106][  T247] Modules linked in:
| [   11.732580][  T247] Tainted: [W]=WARN
[   11.732677][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.732842][  T247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.733017][  T247] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.733474][  T247] RSP: 0018:ffa0000000b86fc0 EFLAGS: 00010286
[   11.733636][  T247] RAX: 00000000ffffffa6 RBX: ff1100000da15a80 RCX: 1ff4000000170dbe
[   11.733831][  T247] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da15b3c
[   11.734029][  T247] RBP: ff11000008339000 R08: 1fe2200001b42b69 R09: ff11000004dc5158
[   11.734221][  T247] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.734412][  T247] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009e3ce50
[   11.734604][  T247] FS:  00007f9419a0f840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   11.734831][  T247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.734999][  T247] CR2: 0000000015a73988 CR3: 000000000b80c002 CR4: 0000000000771ef0
[   11.735192][  T247] PKRU: 55555554
[   11.735288][  T247] Call Trace:
[   11.735385][  T247]  <TASK>
[   11.735451][  T247]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.735580][  T247]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.735709][  T247]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.735807][  T247]  __dev_change_net_namespace (net/core/dev.c:12695)
[   11.735975][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.736107][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.736236][  T247]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.736395][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.736522][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.736650][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.736780][  T247]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.736915][  T247]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.737053][  T247]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.737184][  T247]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.737314][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.737476][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.737604][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.737733][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.737866][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.737999][  T247]  ? __kernel_text_address (kernel/extable.c:79)
[   11.738130][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.738262][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.738390][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.738521][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.738652][  T247]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.738781][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.738916][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.739051][  T247]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.739181][  T247]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.739311][  T247]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.739441][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.739571][  T247]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.739702][  T247]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.739837][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.739970][  T247]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.740107][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.740237][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.740367][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.740497][  T247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.740626][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.740758][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.740892][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.741027][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.741157][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.741289][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.741419][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.741549][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.741681][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.741812][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.741945][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.742080][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.742211][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.742341][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.742473][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.742605][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.742735][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.742872][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.743009][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.743139][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.743269][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.743489][  T247]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.743620][  T247]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.743751][  T247]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.743881][  T247]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.744099][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.744258][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   11.744387][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.744513][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.744728][  T247]  ___sys_sendmsg (net/socket.c:2752)
[   11.744862][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.745026][  T247]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.745166][  T247]  __sys_sendmsg (net/socket.c:2784)
[   11.745379][  T247]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.745506][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.745667][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.745884][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.746020][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.746148][  T247]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.746275][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.746486][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.746646][  T247] RIP: 0033:0x7f9419c4908e
[   11.746779][  T247] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.747244][  T247] RSP: 002b:00007ffe13ba21b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.747437][  T247] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9419c4908e
[   11.747714][  T247] RDX: 0000000000000000 RSI: 00007ffe13ba2260 RDI: 0000000000000005
[   11.747910][  T247] RBP: 00007ffe13ba21c0 R08: 0000000000000000 R09: 0000000000000000
[   11.748196][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.748388][  T247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe13ba2930
| [   11.750560][  T247] ------------[ cut here ]------------
| [   11.750686][  T247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/247
| [   11.750908][  T247] Modules linked in:
| [   11.751364][  T247] Tainted: [W]=WARN
[   11.751462][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.751623][  T247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.751884][  T247] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.752677][  T247] RSP: 0018:ffa0000000b87038 EFLAGS: 00010286
[   11.752844][  T247] RAX: 00000000ffffffa6 RBX: ff1100000da14c80 RCX: 1ff4000000170dcd
[   11.753043][  T247] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da14d3c
[   11.753233][  T247] RBP: ff11000008339000 R08: 1fe2200001b429a9 R09: ff11000004dc5158
[   11.753421][  T247] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.753612][  T247] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.753804][  T247] FS:  00007f9419a0f840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   11.754033][  T247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.754191][  T247] CR2: 0000000015a73988 CR3: 000000000b80c002 CR4: 0000000000771ef0
[   11.754385][  T247] PKRU: 55555554
[   11.754482][  T247] Call Trace:
[   11.754578][  T247]  <TASK>
[   11.754728][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.754863][  T247]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.754998][  T247]  notifier_call_chain (kernel/notifier.c:85)
[   11.755128][  T247]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   11.755342][  T247]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.755503][  T247]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   11.755662][  T247]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.755791][  T247]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.756016][  T247]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   11.756148][  T247]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.756277][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.756521][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.756651][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.756780][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.756914][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.757048][  T247]  ? __kernel_text_address (kernel/extable.c:79)
[   11.757177][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.757307][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.757435][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.757649][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.757777][  T247]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.757908][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.758041][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.758254][  T247]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.758384][  T247]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.758514][  T247]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.758645][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.758862][  T247]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.758997][  T247]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.759127][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.759260][  T247]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.759473][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.759604][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.759732][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.759867][  T247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.759998][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.760130][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.760257][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.760385][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.760598][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.760727][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.760859][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.760993][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.761206][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.761333][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.761463][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.761590][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.761803][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.761936][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.762070][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.762203][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.762413][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.762544][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.762675][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.762806][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.763031][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.763161][  T247]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.763291][  T247]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.763420][  T247]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.763630][  T247]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.763757][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.763918][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   11.764053][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.764268][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.764400][  T247]  ___sys_sendmsg (net/socket.c:2752)
[   11.764528][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.764689][  T247]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.764918][  T247]  __sys_sendmsg (net/socket.c:2784)
[   11.765052][  T247]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.765180][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.765344][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.765560][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.765689][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.765820][  T247]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.765950][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.766168][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.766328][  T247] RIP: 0033:0x7f9419c4908e
[   11.766462][  T247] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.767023][  T247] RSP: 002b:00007ffe13ba21b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.767304][  T247] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9419c4908e
[   11.767496][  T247] RDX: 0000000000000000 RSI: 00007ffe13ba2260 RDI: 0000000000000005
[   11.767690][  T247] RBP: 00007ffe13ba21c0 R08: 0000000000000000 R09: 0000000000000000
[   11.767970][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.768168][  T247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe13ba2930
| [   11.770783][  T247] ------------[ cut here ]------------
| [   11.770918][  T247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/247
| [   11.771237][  T247] Modules linked in:
| [   11.771686][  T247] Tainted: [W]=WARN
[   11.771785][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.771951][  T247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.772665][  T247] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.773191][  T247] RSP: 0018:ffa0000000b87020 EFLAGS: 00010286
[   11.773354][  T247] RAX: 00000000ffffffa6 RBX: ff1100000b844580 RCX: 1ff4000000170dca
[   11.773547][  T247] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b84463c
[   11.773738][  T247] RBP: ff11000008339000 R08: 1fe22000017088c9 R09: ff11000004dc5158
[   11.773943][  T247] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.774192][  T247] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.774385][  T247] FS:  00007f9419a0f840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   11.774610][  T247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.774829][  T247] CR2: 0000000015a73988 CR3: 000000000b80c002 CR4: 0000000000771ef0
[   11.775080][  T247] PKRU: 55555554
[   11.775179][  T247] Call Trace:
[   11.775276][  T247]  <TASK>
[   11.775344][  T247]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.775476][  T247]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.775574][  T247]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.775703][  T247]  __dev_notify_flags (net/core/dev.c:9787)
[   11.775841][  T247]  ? netif_change_name (net/core/dev.c:1495)
[   11.775973][  T247]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.776159][  T247]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.776289][  T247]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   11.776451][  T247]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.776583][  T247]  netif_change_flags (net/core/dev.c:9820)
[   11.776715][  T247]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.776852][  T247]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.777037][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.777199][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.777329][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.777460][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.777591][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.777723][  T247]  ? __kernel_text_address (kernel/extable.c:79)
[   11.777855][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.778043][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.778172][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.778303][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.778431][  T247]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.778559][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.778773][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.778906][  T247]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.779094][  T247]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.779225][  T247]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.779353][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.779483][  T247]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.779611][  T247]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.779831][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.779962][  T247]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.780150][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.780280][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.780407][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.780535][  T247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.780747][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.780882][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.781065][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.781198][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.781326][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.781455][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.781584][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.781797][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.781929][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.782113][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.782246][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.782376][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.782504][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.782717][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.782851][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.782981][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.783167][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.783297][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.783428][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.783556][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.783771][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.783904][  T247]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.784091][  T247]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.784222][  T247]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.784350][  T247]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.784478][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.784724][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   11.784856][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.785041][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.785172][  T247]  ___sys_sendmsg (net/socket.c:2752)
[   11.785298][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.785456][  T247]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.785681][  T247]  __sys_sendmsg (net/socket.c:2784)
[   11.785814][  T247]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.785943][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.786167][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.786296][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.786425][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.786552][  T247]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.786764][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.786896][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.787112][  T247] RIP: 0033:0x7f9419c4908e
[   11.787247][  T247] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.787814][  T247] RSP: 002b:00007ffe13ba21b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.788068][  T247] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9419c4908e
[   11.788262][  T247] RDX: 0000000000000000 RSI: 00007ffe13ba2260 RDI: 0000000000000005
[   11.788454][  T247] RBP: 00007ffe13ba21c0 R08: 0000000000000000 R09: 0000000000000000
[   11.788733][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0e9
[   11.788930][  T247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe13ba2930
| [   11.803553][   T36] ------------[ cut here ]------------
| [   11.803720][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   11.803964][   T36] Modules linked in:
| [   11.804422][   T36] Tainted: [W]=WARN
[   11.804513][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.804667][   T36] Workqueue: events_unbound linkwatch_event
[   11.804832][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.805023][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.805452][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   11.805609][   T36] RAX: 00000000ffffffa6 RBX: ff1100000b844c80 RCX: 1ff4000000051f02
[   11.805790][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b844d3c
[   11.805974][   T36] RBP: ff11000008339000 R08: 1fe22000017089a9 R09: ff11000001d751a8
[   11.806156][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.806333][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.806511][   T36] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   11.806717][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.806869][   T36] CR2: 000056334d699d5c CR3: 000000000a7b4004 CR4: 0000000000771ef0
[   11.807053][   T36] PKRU: 55555554
[   11.807142][   T36] Call Trace:
[   11.807230][   T36]  <TASK>
[   11.807293][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.807414][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.807537][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.807631][   T36]  netif_state_change (net/core/dev.c:1605)
[   11.807751][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.807903][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.808027][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.808146][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.808268][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.808386][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   11.808505][   T36]  process_one_work (kernel/workqueue.c:3314)
[   11.808628][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.808745][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.808871][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.808999][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.809120][   T36]  kthread (kernel/kthread.c:436)
[   11.809209][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.809356][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.809475][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.809594][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.809743][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.809867][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.810040][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.818418][   T36] ------------[ cut here ]------------
| [   11.818541][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   11.818778][   T36] Modules linked in:
| [   11.819158][   T36] Tainted: [W]=WARN
[   11.819247][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.819398][   T36] Workqueue: events_unbound linkwatch_event
[   11.819556][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.819711][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.820165][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   11.820315][   T36] RAX: 00000000ffffffa6 RBX: ff1100000b8451c0 RCX: 1ff4000000051f02
[   11.820492][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b84527c
[   11.820668][   T36] RBP: ff1100000886c000 R08: 1fe2200001708a51 R09: ff11000001d751a8
[   11.820862][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.821044][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.821222][   T36] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   11.821428][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.821580][   T36] CR2: 000056334d699d5c CR3: 000000000a7b4004 CR4: 0000000000771ef0
[   11.821759][   T36] PKRU: 55555554
[   11.821853][   T36] Call Trace:
[   11.821947][   T36]  <TASK>
[   11.822014][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.822134][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.822255][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.822345][   T36]  netif_state_change (net/core/dev.c:1605)
[   11.822465][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.822613][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.822732][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.822856][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.822978][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.823104][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   11.823224][   T36]  process_one_work (kernel/workqueue.c:3314)
[   11.823347][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.823467][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.823594][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.823718][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.823841][   T36]  kthread (kernel/kthread.c:436)
[   11.823931][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.824083][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.824202][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.824322][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.824470][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.824590][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.824708][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.833141][  T248] ------------[ cut here ]------------
| [   11.833327][  T248] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/248
| [   11.833610][  T248] Modules linked in:
| [   11.834104][  T248] Tainted: [W]=WARN
[   11.834256][  T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.834471][  T248] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.834693][  T248] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.835241][  T248] RSP: 0018:ffa0000000b86e30 EFLAGS: 00010286
[   11.835459][  T248] RAX: 00000000ffffffa6 RBX: ff1100000d118c80 RCX: 1ff4000000170d8c
[   11.835706][  T248] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d118d3c
[   11.835958][  T248] RBP: ff1100000fec9000 R08: 1fe2200001a231a9 R09: ff11000004dc2e80
[   11.836217][  T248] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.836468][  T248] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c403880
[   11.836718][  T248] FS:  00007f8f00725840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   11.837024][  T248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.837240][  T248] CR2: 000000000042ebe0 CR3: 000000000e9f6006 CR4: 0000000000771ef0
[   11.837491][  T248] PKRU: 55555554
[   11.837637][  T248] Call Trace:
[   11.837784][  T248]  <TASK>
[   11.837909][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.838101][  T248]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.838290][  T248]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.838440][  T248]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.838623][  T248]  __dev_notify_flags (net/core/dev.c:9787)
[   11.838816][  T248]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.839015][  T248]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.839199][  T248]  ? netif_change_name (net/core/dev.c:1495)
[   11.839382][  T248]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.839564][  T248]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.839746][  T248]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.839938][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.840142][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.840325][  T248]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.840508][  T248]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.840689][  T248]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.840879][  T248]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.841078][  T248]  veth_newlink (drivers/net/veth.c:1871)
[   11.841262][  T248]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.841447][  T248]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.841630][  T248]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.841820][  T248]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.842031][  T248]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.842213][  T248]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.842398][  T248]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.842581][  T248]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.842769][  T248]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.842962][  T248]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.843161][  T248]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.843344][  T248]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.843530][  T248]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.843719][  T248]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.843914][  T248]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.844111][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.844297][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.844480][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.844661][  T248]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.844850][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.845051][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.845235][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.845419][  T248]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.845601][  T248]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.845788][  T248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.845980][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.846181][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.846361][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.846545][  T248]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.846727][  T248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.846919][  T248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.847119][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.847303][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.847488][  T248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.847674][  T248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.847868][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.848071][  T248]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.848258][  T248]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.848443][  T248]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.848630][  T248]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.848821][  T248]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.849018][  T248]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.849233][  T248]  ? move_addr_to_kernel (net/socket.c:258)
[   11.849421][  T248]  ___sys_sendmsg (net/socket.c:2752)
[   11.849603][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.849786][  T248]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.850005][  T248]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.850190][  T248]  __sys_sendmsg (net/socket.c:2784)
[   11.850375][  T248]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.850562][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.850745][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.850939][  T248]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.851139][  T248]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.851321][  T248]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.851509][  T248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.851724][  T248] RIP: 0033:0x7f8f0095f08e
[   11.851921][  T248] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.852464][  T248] RSP: 002b:00007ffdfbd09200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.852720][  T248] RAX: ffffffffffffffda RBX: 00007ffdfbd099a8 RCX: 00007f8f0095f08e
[   11.852977][  T248] RDX: 0000000000000000 RSI: 00007ffdfbd092b0 RDI: 0000000000000005
[   11.853239][  T248] RBP: 00007ffdfbd09210 R08: 0000000000000000 R09: 0000000000000000
[   11.853489][  T248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   11.853742][  T248] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdfbd09980
| [   11.861942][  T248] ------------[ cut here ]------------
| [   11.862135][  T248] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/248
| [   11.862417][  T248] Modules linked in:
| [   11.862890][  T248] Tainted: [W]=WARN
[   11.863051][  T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.863267][  T248] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.863488][  T248] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.864604][  T248] RSP: 0018:ffa0000000b871b0 EFLAGS: 00010286
[   11.864883][  T248] RAX: 00000000ffffffa6 RBX: ff1100000d0063c0 RCX: 1ff4000000170dfc
[   11.865201][  T248] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d00647c
[   11.865505][  T248] RBP: ff1100000eb61000 R08: 1fe2200001a00c91 R09: ff11000004dc2e80
[   11.865805][  T248] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.866137][  T248] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa4403b20
[   11.866442][  T248] FS:  00007f8f00725840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   11.866777][  T248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.867064][  T248] CR2: 000000000042ebe0 CR3: 000000000e9f6006 CR4: 0000000000771ef0
[   11.867369][  T248] PKRU: 55555554
[   11.867574][  T248] Call Trace:
[   11.867776][  T248]  <TASK>
[   11.867955][  T248]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.868208][  T248]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.868413][  T248]  __dev_notify_flags (net/core/dev.c:9787)
[   11.868651][  T248]  ? netif_change_name (net/core/dev.c:1495)
[   11.868895][  T248]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.869152][  T248]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.869394][  T248]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.869636][  T248]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.869881][  T248]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.870136][  T248]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.870374][  T248]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.870619][  T248]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.870869][  T248]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.871124][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.871360][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.871600][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.871844][  T248]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.872093][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.872335][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.872573][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.872819][  T248]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.873070][  T248]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.873311][  T248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.873548][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.873786][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.874046][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.874285][  T248]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.874524][  T248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.874761][  T248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.875027][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.875269][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.875506][  T248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.875745][  T248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.876008][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.876250][  T248]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.876488][  T248]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.876726][  T248]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.876975][  T248]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.877193][  T248]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.877376][  T248]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.877588][  T248]  ? move_addr_to_kernel (net/socket.c:258)
[   11.877775][  T248]  ___sys_sendmsg (net/socket.c:2752)
[   11.877962][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.878157][  T248]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.878351][  T248]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.878536][  T248]  __sys_sendmsg (net/socket.c:2784)
[   11.878717][  T248]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.878912][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.879104][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.879288][  T248]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.879470][  T248]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.879651][  T248]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.879847][  T248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.880070][  T248] RIP: 0033:0x7f8f0095f08e
[   11.880259][  T248] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.880781][  T248] RSP: 002b:00007ffdfbd09200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.881056][  T248] RAX: ffffffffffffffda RBX: 00007ffdfbd099a8 RCX: 00007f8f0095f08e
[   11.881300][  T248] RDX: 0000000000000000 RSI: 00007ffdfbd092b0 RDI: 0000000000000005
[   11.881547][  T248] RBP: 00007ffdfbd09210 R08: 0000000000000000 R09: 0000000000000000
[   11.881791][  T248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   11.882062][  T248] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdfbd09980
| [   11.915076][  T249] ------------[ cut here ]------------
| [   11.915231][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/249
| [   11.915462][  T249] Modules linked in:
| [   11.915838][  T249] Tainted: [W]=WARN
[   11.915937][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.916113][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.916284][  T249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.916750][  T249] RSP: 0018:ffa0000000b97020 EFLAGS: 00010286
[   11.916925][  T249] RAX: 00000000ffffffa6 RBX: ff1100000d0071c0 RCX: 1ff4000000172dca
[   11.917124][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d00727c
[   11.917316][  T249] RBP: ff1100000eb61000 R08: 1fe2200001a00e51 R09: ff11000004dc0b58
[   11.917508][  T249] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.917700][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.917904][  T249] FS:  00007fa82929d840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   11.918135][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.918299][  T249] CR2: 000000001e3f8988 CR3: 000000000e9f6005 CR4: 0000000000771ef0
[   11.918493][  T249] PKRU: 55555554
[   11.918591][  T249] Call Trace:
[   11.918689][  T249]  <TASK>
[   11.918757][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.918890][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.918993][  T249]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.919124][  T249]  __dev_notify_flags (net/core/dev.c:9787)
[   11.919254][  T249]  ? netif_change_name (net/core/dev.c:1495)
[   11.919383][  T249]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.919515][  T249]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.919645][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.919775][  T249]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.919912][  T249]  netif_change_flags (net/core/dev.c:9820)
[   11.920047][  T249]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.920177][  T249]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.920312][  T249]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.920445][  T249]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.920609][  T249]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.920737][  T249]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.920868][  T249]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.920999][  T249]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.921129][  T249]  ? __kernel_text_address (kernel/extable.c:79)
[   11.921262][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.921395][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.921523][  T249]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.921653][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.921781][  T249]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.921913][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.922049][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.922178][  T249]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.922311][  T249]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.922441][  T249]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.922569][  T249]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.922699][  T249]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.922833][  T249]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.922966][  T249]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.923102][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.923230][  T249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.923362][  T249]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.923490][  T249]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.923618][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.923750][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.923898][  T249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.924096][  T249]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.924287][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.924487][  T249]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.924683][  T249]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.924880][  T249]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.925087][  T249]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.925243][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.925376][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.925504][  T249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.925634][  T249]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.925762][  T249]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.925904][  T249]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.926044][  T249]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.926173][  T249]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.926305][  T249]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.926436][  T249]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.926567][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.926697][  T249]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.926837][  T249]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.926967][  T249]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.927105][  T249]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.927236][  T249]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.927365][  T249]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.927525][  T249]  ? move_addr_to_kernel (net/socket.c:258)
[   11.927656][  T249]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.927787][  T249]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.927919][  T249]  ___sys_sendmsg (net/socket.c:2752)
[   11.928053][  T249]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.928214][  T249]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.928355][  T249]  __sys_sendmsg (net/socket.c:2784)
[   11.928486][  T249]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.928614][  T249]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.928778][  T249]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.928914][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.929049][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.929178][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.929310][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.929439][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.929599][  T249] RIP: 0033:0x7fa8294d708e
[   11.929736][  T249] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.930221][  T249] RSP: 002b:00007ffd042bf9f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.930419][  T249] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa8294d708e
[   11.930612][  T249] RDX: 0000000000000000 RSI: 00007ffd042bfaa0 RDI: 0000000000000005
[   11.930806][  T249] RBP: 00007ffd042bfa00 R08: 0000000000000000 R09: 0000000000000000
[   11.931011][  T249] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   11.931204][  T249] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd042c0170
| [   11.976557][  T250] ------------[ cut here ]------------
| [   11.976744][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/250
| [   11.977034][  T250] Modules linked in:
| [   11.977484][  T250] Tainted: [W]=WARN
[   11.977624][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.977835][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.978102][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.978825][  T250] RSP: 0018:ffa0000000ba6ff8 EFLAGS: 00010286
[   11.979083][  T250] RAX: 00000000ffffffa6 RBX: ff11000009246740 RCX: 1ff4000000174dc5
[   11.979318][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092467fc
[   11.979551][  T250] RBP: ff1100000fec9000 R08: 1fe2200001248d01 R09: ff11000004df5158
[   11.979786][  T250] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.980048][  T250] R13: 0000000000000000 R14: ffa0000000ba7140 R15: ff1100000b6c1550
[   11.980284][  T250] FS:  00007f6e184fc840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   11.980551][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.980757][  T250] CR2: 000000002494b988 CR3: 000000000a686003 CR4: 0000000000771ef0
[   11.981025][  T250] PKRU: 55555554
[   11.981167][  T250] Call Trace:
[   11.981311][  T250]  <TASK>
[   11.981423][  T250]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   11.981598][  T250]  __dev_change_net_namespace (net/core/dev.c:12635)
[   11.981804][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.981998][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.982172][  T250]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.982375][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.982548][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.982724][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.982908][  T250]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.983153][  T250]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.983383][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.983565][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.983737][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.983951][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.984179][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.984417][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.984658][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.984905][  T250]  ? __kernel_text_address (kernel/extable.c:79)
[   11.985171][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.985373][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.985549][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.985724][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.985907][  T250]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.986093][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.986266][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.986440][  T250]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.986614][  T250]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.986787][  T250]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.986976][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.987169][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.987342][  T250]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.987520][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.987697][  T250]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.987883][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.988065][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.988240][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.988415][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.988587][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.988763][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.988943][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.989130][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.989306][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.989481][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.989662][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.989844][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.990032][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.990206][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.990381][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.990553][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.990729][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.990911][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.991100][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.991277][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.991450][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.991625][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.991801][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.991999][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.992173][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.992347][  T250]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.992523][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.992698][  T250]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.992883][  T250]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.993066][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.993269][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   11.993445][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.993620][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.993799][  T250]  ___sys_sendmsg (net/socket.c:2752)
[   11.993996][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.994198][  T250]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.994382][  T250]  __sys_sendmsg (net/socket.c:2784)
[   11.994556][  T250]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.994726][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.994940][  T250]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.995131][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.995303][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.995475][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.995647][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.995848][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.996138][  T250] RIP: 0033:0x7f6e1873608e
[   11.996391][  T250] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.997063][  T250] RSP: 002b:00007ffe060c0010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.997310][  T250] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6e1873608e
[   11.997545][  T250] RDX: 0000000000000000 RSI: 00007ffe060c00c0 RDI: 0000000000000005
[   11.997781][  T250] RBP: 00007ffe060c0020 R08: 0000000000000000 R09: 0000000000000000
[   11.998097][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   11.998421][  T250] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe060c0790
| [   12.001632][  T250] ------------[ cut here ]------------
| [   12.001773][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/250
| [   12.002018][  T250] Modules linked in:
| [   12.002379][  T250] Tainted: [W]=WARN
[   12.002475][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.002633][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.002796][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.003262][  T250] RSP: 0018:ffa0000000ba6fc0 EFLAGS: 00010286
[   12.003421][  T250] RAX: 00000000ffffffa6 RBX: ff11000009247540 RCX: 1ff4000000174dbe
[   12.003607][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092475fc
[   12.003797][  T250] RBP: ff1100000fec9000 R08: 1fe2200001248ec1 R09: ff11000004df5158
[   12.003997][  T250] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.004185][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b6c1550
[   12.004376][  T250] FS:  00007f6e184fc840(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   12.004599][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.004759][  T250] CR2: 000056334d699d5c CR3: 000000000a686002 CR4: 0000000000771ef0
[   12.004956][  T250] PKRU: 55555554
[   12.005056][  T250] Call Trace:
[   12.005150][  T250]  <TASK>
[   12.005216][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.005344][  T250]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.005474][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.005571][  T250]  __dev_change_net_namespace (net/core/dev.c:12695)
[   12.005730][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.005865][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.005999][  T250]  ? default_device_exit_batch (net/core/dev.c:13091)
[   12.006156][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.006283][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.006411][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.006539][  T250]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.006667][  T250]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.006795][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   12.006931][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.007062][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.007221][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.007346][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.007555][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.007681][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.007807][  T250]  ? __kernel_text_address (kernel/extable.c:79)
[   12.007944][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.008080][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.008206][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.008333][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.008461][  T250]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.008587][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.008712][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.008871][  T250]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.009071][  T250]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.009259][  T250]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.009452][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.009640][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.009780][  T250]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.009919][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.010062][  T250]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.010190][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.010317][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.010443][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.010569][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.010694][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.010827][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.010955][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.011087][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.011214][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.011347][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.011475][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.011601][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.011732][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.011863][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.011997][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.012124][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.012250][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.012377][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.012505][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.012637][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.012763][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.012898][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.013029][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.013157][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.013284][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.013414][  T250]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.013542][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.013673][  T250]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.013802][  T250]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.013936][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.014101][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   12.014231][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.014358][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.014487][  T250]  ___sys_sendmsg (net/socket.c:2752)
[   12.014614][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.014775][  T250]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.014919][  T250]  __sys_sendmsg (net/socket.c:2784)
[   12.015052][  T250]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.015179][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.015340][  T250]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.015468][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.015594][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.015723][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.015863][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.015996][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.016154][  T250] RIP: 0033:0x7f6e1873608e
[   12.016288][  T250] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.016741][  T250] RSP: 002b:00007ffe060c0010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.016941][  T250] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6e1873608e
[   12.017136][  T250] RDX: 0000000000000000 RSI: 00007ffe060c00c0 RDI: 0000000000000005
[   12.017325][  T250] RBP: 00007ffe060c0020 R08: 0000000000000000 R09: 0000000000000000
[   12.017515][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   12.017705][  T250] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe060c0790
| [   12.019841][  T250] ------------[ cut here ]------------
| [   12.019967][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/250
| [   12.020205][  T250] Modules linked in:
| [   12.020563][  T250] Tainted: [W]=WARN
[   12.020658][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.020822][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.020993][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.021447][  T250] RSP: 0018:ffa0000000ba7038 EFLAGS: 00010286
[   12.021605][  T250] RAX: 00000000ffffffa6 RBX: ff110000092478c0 RCX: 1ff4000000174dcd
[   12.021794][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000924797c
[   12.021996][  T250] RBP: ff1100000fec9000 R08: 1fe2200001248f31 R09: ff11000004df5158
[   12.022188][  T250] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   12.022377][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   12.022566][  T250] FS:  00007f6e184fc840(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   12.022786][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.022951][  T250] CR2: 000056334d699d5c CR3: 000000000a686002 CR4: 0000000000771ef0
[   12.023148][  T250] PKRU: 55555554
[   12.023242][  T250] Call Trace:
[   12.023335][  T250]  <TASK>
[   12.023401][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.023526][  T250]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.023652][  T250]  notifier_call_chain (kernel/notifier.c:85)
[   12.023783][  T250]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   12.023914][  T250]  ? default_device_exit_batch (net/core/dev.c:13091)
[   12.024081][  T250]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   12.024239][  T250]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.024366][  T250]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.024495][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   12.024626][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.024753][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.024917][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.025052][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.025178][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.025304][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.025432][  T250]  ? __kernel_text_address (kernel/extable.c:79)
[   12.025560][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.025687][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.025821][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.025948][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.026080][  T250]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.026205][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.026332][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.026457][  T250]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.026585][  T250]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.026711][  T250]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.026844][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.026972][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.027104][  T250]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.027233][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.027364][  T250]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.027493][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.027618][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.027744][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.027878][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.028011][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.028140][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.028266][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.028392][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.028518][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.028645][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.028775][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.028908][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.029041][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.029166][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.029294][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.029419][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.029546][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.029675][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.029803][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.029939][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.030071][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.030198][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.030325][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.030453][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.030580][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.030706][  T250]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.030840][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.030968][  T250]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.031099][  T250]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.031225][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.031383][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   12.031511][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.031638][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.031768][  T250]  ___sys_sendmsg (net/socket.c:2752)
[   12.031901][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.032061][  T250]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.032201][  T250]  __sys_sendmsg (net/socket.c:2784)
[   12.032329][  T250]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.032454][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.032614][  T250]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.032741][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.032875][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.033009][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.033135][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.033262][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.033420][  T250] RIP: 0033:0x7f6e1873608e
[   12.033553][  T250] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.034047][  T250] RSP: 002b:00007ffe060c0010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.034238][  T250] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6e1873608e
[   12.034426][  T250] RDX: 0000000000000000 RSI: 00007ffe060c00c0 RDI: 0000000000000005
[   12.034704][  T250] RBP: 00007ffe060c0020 R08: 0000000000000000 R09: 0000000000000000
[   12.034901][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   12.035092][  T250] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe060c0790
| [   12.037432][  T250] ------------[ cut here ]------------
| [   12.037560][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/250
| [   12.037777][  T250] Modules linked in:
| [   12.038147][  T250] Tainted: [W]=WARN
[   12.038244][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.038403][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.038569][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.039032][  T250] RSP: 0018:ffa0000000ba7020 EFLAGS: 00010286
[   12.039193][  T250] RAX: 00000000ffffffa6 RBX: ff1100000c804200 RCX: 1ff4000000174dca
[   12.039387][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8042bc
[   12.039579][  T250] RBP: ff1100000fec9000 R08: 1fe2200001900859 R09: ff11000004df5158
[   12.039772][  T250] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.039966][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.040163][  T250] FS:  00007f6e184fc840(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   12.040385][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.040547][  T250] CR2: 000056334d699d5c CR3: 000000000a686002 CR4: 0000000000771ef0
[   12.040738][  T250] PKRU: 55555554
[   12.040838][  T250] Call Trace:
[   12.040934][  T250]  <TASK>
[   12.041004][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.041133][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.041230][  T250]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.041361][  T250]  __dev_notify_flags (net/core/dev.c:9787)
[   12.041491][  T250]  ? netif_change_name (net/core/dev.c:1495)
[   12.041619][  T250]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.041747][  T250]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.041883][  T250]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   12.042047][  T250]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.042178][  T250]  netif_change_flags (net/core/dev.c:9820)
[   12.042306][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.042439][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.042568][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.042726][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.042857][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.042989][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.043117][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.043246][  T250]  ? __kernel_text_address (kernel/extable.c:79)
[   12.043373][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.043503][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.043630][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.043758][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.043892][  T250]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.044022][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.044150][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.044279][  T250]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.044407][  T250]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.044535][  T250]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.044663][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.044793][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.044925][  T250]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.045064][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.045196][  T250]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.045325][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.045451][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.045581][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.045708][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.045839][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.045970][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.046101][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.046232][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.046361][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.046491][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.046619][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.046747][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.046881][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.047013][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.047143][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.047274][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.047404][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.047531][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.047659][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.047790][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.047920][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.048055][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.048187][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.048315][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.048445][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.048574][  T250]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.048703][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.048837][  T250]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.048966][  T250]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.049100][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.049261][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   12.049391][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.049518][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.049647][  T250]  ___sys_sendmsg (net/socket.c:2752)
[   12.049776][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.049941][  T250]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.050088][  T250]  __sys_sendmsg (net/socket.c:2784)
[   12.050217][  T250]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.050346][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.050594][  T250]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.050725][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.050857][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.051047][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.051176][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.051305][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.051550][  T250] RIP: 0033:0x7f6e1873608e
[   12.051683][  T250] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.052299][  T250] RSP: 002b:00007ffe060c0010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.052494][  T250] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6e1873608e
[   12.052684][  T250] RDX: 0000000000000000 RSI: 00007ffe060c00c0 RDI: 0000000000000005
[   12.052883][  T250] RBP: 00007ffe060c0020 R08: 0000000000000000 R09: 0000000000000000
[   12.053219][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   12.053412][  T250] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe060c0790
| [   12.056630][   T39] ------------[ cut here ]------------
| [   12.056751][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   12.056994][   T39] Modules linked in:
| [   12.057356][   T39] Tainted: [W]=WARN
[   12.057444][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.057592][   T39] Workqueue: events_unbound linkwatch_event
[   12.057743][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.057901][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.058327][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   12.058480][   T39] RAX: 00000000ffffffa6 RBX: ff1100000c804ac0 RCX: 1ff4000000057f02
[   12.058654][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c804b7c
[   12.058836][   T39] RBP: ff1100000fec9000 R08: 1fe2200001900971 R09: ff11000001da51a8
[   12.059077][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   12.059300][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.059476][   T39] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   12.059683][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.059835][   T39] CR2: 000056334d699d5c CR3: 000000003194d006 CR4: 0000000000771ef0
[   12.060064][   T39] PKRU: 55555554
[   12.060154][   T39] Call Trace:
[   12.060241][   T39]  <TASK>
[   12.060305][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.060422][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.060633][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.060723][   T39]  netif_state_change (net/core/dev.c:1605)
[   12.060851][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.061044][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.061163][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.061280][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.061400][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.061516][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.061634][   T39]  process_one_work (kernel/workqueue.c:3314)
[   12.061757][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.061881][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.062073][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.062205][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.062330][   T39]  kthread (kernel/kthread.c:436)
[   12.062424][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.062642][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.062767][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.062900][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.063179][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.063304][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.063429][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.065394][   T39] ------------[ cut here ]------------
| [   12.065559][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   12.065845][   T39] Modules linked in:
| [   12.066319][   T39] Tainted: [W]=WARN
[   12.066454][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.066647][   T39] Workqueue: events_unbound linkwatch_event
[   12.066857][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.067096][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.067567][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   12.067764][   T39] RAX: 00000000ffffffa6 RBX: ff1100000c805380 RCX: 1ff4000000057f02
[   12.068007][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c80543c
[   12.068238][   T39] RBP: ff1100000eb61000 R08: 1fe2200001900a89 R09: ff11000001da51a8
[   12.068460][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.068681][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.068912][   T39] FS:  0000000000000000(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   12.069177][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.069372][   T39] CR2: 000000002494b988 CR3: 000000003194d004 CR4: 0000000000771ef0
[   12.069595][   T39] PKRU: 55555554
[   12.069730][   T39] Call Trace:
[   12.069874][   T39]  <TASK>
[   12.069999][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.070166][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.070334][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.070474][   T39]  netif_state_change (net/core/dev.c:1605)
[   12.070640][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.070845][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.071024][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.071191][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.071360][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.071526][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.071694][   T39]  process_one_work (kernel/workqueue.c:3314)
[   12.071876][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.072055][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.072227][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.072398][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.072563][   T39]  kthread (kernel/kthread.c:436)
[   12.072700][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.072903][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.073083][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.073251][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.073450][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.073646][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.073823][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.100443][  T251] ------------[ cut here ]------------
| [   12.100599][  T251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/251
| [   12.100838][  T251] Modules linked in:
| [   12.101222][  T251] Tainted: [W]=WARN
[   12.101323][  T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.101490][  T251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.101664][  T251] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.102151][  T251] RSP: 0018:ffa0000000bb71b0 EFLAGS: 00010286
[   12.102319][  T251] RAX: 00000000ffffffa6 RBX: ff1100000d3c2900 RCX: 1ff4000000176dfc
[   12.102518][  T251] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3c29bc
[   12.102715][  T251] RBP: ff1100000f9d2000 R08: 1fe2200001a78539 R09: ff11000004d55180
[   12.102919][  T251] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.103124][  T251] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa4520900
[   12.103325][  T251] FS:  00007f28dad6d840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   12.103560][  T251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.103725][  T251] CR2: 00000000004a04a0 CR3: 000000000cbd0003 CR4: 0000000000771ef0
[   12.103933][  T251] PKRU: 55555554
[   12.104085][  T251] Call Trace:
[   12.104185][  T251]  <TASK>
[   12.104255][  T251]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.104391][  T251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.104494][  T251]  __dev_notify_flags (net/core/dev.c:9787)
[   12.104629][  T251]  ? netif_change_name (net/core/dev.c:1495)
[   12.104763][  T251]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.104940][  T251]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.105081][  T251]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.105215][  T251]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   12.105351][  T251]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.105487][  T251]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.105620][  T251]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.105753][  T251]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.105898][  T251]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.106097][  T251]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.106232][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.106367][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.106501][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.106634][  T251]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.106822][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.107128][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.107338][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.107536][  T251]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.107690][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.107826][  T251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.107958][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.108179][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.108310][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.108447][  T251]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.108581][  T251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.108766][  T251]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.108975][  T251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.109316][  T251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.109496][  T251]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.109634][  T251]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.109768][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.109913][  T251]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.110132][  T251]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.110266][  T251]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.110400][  T251]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.110532][  T251]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.110665][  T251]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.110837][  T251]  ? move_addr_to_kernel (net/socket.c:258)
[   12.110972][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.111247][  T251]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   12.111449][  T251]  ___sys_sendmsg (net/socket.c:2752)
[   12.111582][  T251]  ? wp_page_copy (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/page_ref.h:205 ./include/linux/mm.h:1767 ./include/linux/mm.h:1772 ./include/linux/mm.h:2089 mm/memory.c:3989)
[   12.111716][  T251]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.111857][  T251]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   12.112057][  T251]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.112194][  T251]  __sys_sendmsg (net/socket.c:2784)
[   12.112326][  T251]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.112463][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.112596][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.112731][  T251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.112868][  T251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.113067][  T251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.113200][  T251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.113372][  T251] RIP: 0033:0x7f28dafa708e
[   12.113512][  T251] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.114013][  T251] RSP: 002b:00007fff8adedf50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.114300][  T251] RAX: ffffffffffffffda RBX: 00007fff8adee6f8 RCX: 00007f28dafa708e
[   12.114599][  T251] RDX: 0000000000000000 RSI: 00007fff8adee000 RDI: 0000000000000005
[   12.114901][  T251] RBP: 00007fff8adedf60 R08: 0000000000000000 R09: 0000000000000000
[   12.115111][  T251] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   12.115310][  T251] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8adee6d0
| [   12.157584][  T252] ------------[ cut here ]------------
| [   12.157742][  T252] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/252
| [   12.157979][  T252] Modules linked in:
| [   12.158353][  T252] Tainted: [W]=WARN
[   12.158451][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.158616][  T252] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.158786][  T252] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.159502][  T252] RSP: 0018:ffa0000000bc7020 EFLAGS: 00010286
[   12.159764][  T252] RAX: 00000000ffffffa6 RBX: ff1100000d3c2040 RCX: 1ff4000000178dca
[   12.159980][  T252] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3c20fc
[   12.160626][  T252] RBP: ff1100000f9d2000 R08: 1fe2200001a78421 R09: ff11000004d52e58
[   12.160826][  T252] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.161028][  T252] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.161239][  T252] FS:  00007f9644766840(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   12.161487][  T252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.161650][  T252] CR2: 00000000334a2988 CR3: 0000000010210004 CR4: 0000000000771ef0
[   12.161856][  T252] PKRU: 55555554
[   12.161953][  T252] Call Trace:
[   12.162056][  T252]  <TASK>
[   12.162123][  T252]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   12.162256][  T252]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.162387][  T252]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.162485][  T252]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.162617][  T252]  __dev_notify_flags (net/core/dev.c:9787)
[   12.162747][  T252]  ? netif_change_name (net/core/dev.c:1495)
[   12.162882][  T252]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.163018][  T252]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.163149][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.163278][  T252]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.163409][  T252]  netif_change_flags (net/core/dev.c:9820)
[   12.163539][  T252]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.163668][  T252]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.163801][  T252]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.163949][  T252]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.164189][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.164319][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.164448][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.164577][  T252]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.164742][  T252]  ? __kernel_text_address (kernel/extable.c:79)
[   12.164893][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.165118][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.165246][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.165376][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.165506][  T252]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.165689][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.165884][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.166177][  T252]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.166469][  T252]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.166608][  T252]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.166736][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.166876][  T252]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.167020][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.167152][  T252]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.167283][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.167411][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.167541][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.167671][  T252]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.167799][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.167937][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.168074][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.168202][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.168332][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.168463][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.168594][  T252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.168723][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.168859][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.169001][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.169197][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.169387][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.169585][  T252]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.169777][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.169933][  T252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.170077][  T252]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.170207][  T252]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.170338][  T252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.170469][  T252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.170599][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.170729][  T252]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.170869][  T252]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.171003][  T252]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.171134][  T252]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.171266][  T252]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.171395][  T252]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.171558][  T252]  ? move_addr_to_kernel (net/socket.c:258)
[   12.171688][  T252]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.171825][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.171958][  T252]  ___sys_sendmsg (net/socket.c:2752)
[   12.172092][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.172255][  T252]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.172397][  T252]  __sys_sendmsg (net/socket.c:2784)
[   12.172528][  T252]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.172656][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.172824][  T252]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.172956][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.173092][  T252]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.173221][  T252]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.173351][  T252]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.173480][  T252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.173640][  T252] RIP: 0033:0x7f96449a008e
[   12.173778][  T252] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.174354][  T252] RSP: 002b:00007ffdf3c57a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.174622][  T252] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f96449a008e
[   12.174922][  T252] RDX: 0000000000000000 RSI: 00007ffdf3c57af0 RDI: 0000000000000005
[   12.175194][  T252] RBP: 00007ffdf3c57a50 R08: 0000000000000000 R09: 0000000000000000
[   12.175390][  T252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   12.175586][  T252] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf3c581c0
| [   12.266357][  T256] ------------[ cut here ]------------
| [   12.266555][  T256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/256
| [   12.266842][  T256] Modules linked in:
| [   12.267476][  T256] Tainted: [W]=WARN
[   12.267713][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.268027][  T256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.268337][  T256] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.268924][  T256] RSP: 0018:ffa0000000be7020 EFLAGS: 00010286
[   12.269205][  T256] RAX: 00000000ffffffa6 RBX: ff1100000bdabc40 RCX: 1ff400000017cdca
[   12.269502][  T256] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bdabcfc
[   12.269801][  T256] RBP: ff1100000a884000 R08: 1fe22000017b57a1 R09: ff1100000fe1ae58
[   12.270069][  T256] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.270306][  T256] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.270549][  T256] FS:  00007f51c9659840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   12.270832][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.271055][  T256] CR2: 00000000004eba70 CR3: 00000000102f0002 CR4: 0000000000771ef0
[   12.271296][  T256] PKRU: 55555554
[   12.271439][  T256] Call Trace:
[   12.271582][  T256]  <TASK>
[   12.271696][  T256]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.271883][  T256]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.272057][  T256]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.272236][  T256]  __dev_notify_flags (net/core/dev.c:9787)
[   12.272415][  T256]  ? netif_change_name (net/core/dev.c:1495)
[   12.272590][  T256]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.272767][  T256]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.272952][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.273142][  T256]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.273325][  T256]  netif_change_flags (net/core/dev.c:9820)
[   12.273505][  T256]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.273681][  T256]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.273869][  T256]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.274058][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.274268][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.274447][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.274623][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.274799][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.274999][  T256]  ? __kernel_text_address (kernel/extable.c:79)
[   12.275177][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.275357][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.275533][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.275713][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.275898][  T256]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.276091][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.276267][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.276446][  T256]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.276624][  T256]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.276802][  T256]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.277022][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.277206][  T256]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.277385][  T256]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.277565][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.277744][  T256]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.277935][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.278126][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.278305][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.278482][  T256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.278661][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.278849][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.279035][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.279213][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.279392][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.279569][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.279749][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.279942][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.280132][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.280309][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.280489][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.280667][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.280859][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.281053][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.281233][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.281418][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.281594][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.281779][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.281973][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.282164][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.282343][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.282523][  T256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.282701][  T256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.282893][  T256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.283088][  T256]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.283264][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.283469][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   12.283647][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.283833][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.284028][  T256]  ___sys_sendmsg (net/socket.c:2752)
[   12.284208][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.284417][  T256]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.284606][  T256]  __sys_sendmsg (net/socket.c:2784)
[   12.284784][  T256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.284968][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.285192][  T256]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.285369][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.285550][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.285727][  T256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.285915][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.286106][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.286316][  T256] RIP: 0033:0x7f51c989308e
[   12.286499][  T256] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.287045][  T256] RSP: 002b:00007ffc8284a0b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.287286][  T256] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f51c989308e
[   12.287525][  T256] RDX: 0000000000000000 RSI: 00007ffc8284a160 RDI: 0000000000000005
[   12.287767][  T256] RBP: 00007ffc8284a0c0 R08: 0000000000000000 R09: 0000000000000000
[   12.288029][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   12.288271][  T256] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8284a830
| [   12.291578][  T256] ------------[ cut here ]------------
| [   12.291710][  T256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/256
| [   12.291947][  T256] Modules linked in:
| [   12.292356][  T256] Tainted: [W]=WARN
[   12.292456][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.292623][  T256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.292797][  T256] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.293284][  T256] RSP: 0018:ffa0000000be6ee0 EFLAGS: 00010286
[   12.293453][  T256] RAX: 00000000ffffffa6 RBX: ff1100000bdab1c0 RCX: 1ff400000017cda2
[   12.293653][  T256] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bdab27c
[   12.293857][  T256] RBP: ff1100000a884000 R08: 1fe22000017b5651 R09: ff1100000fe1ae58
[   12.294061][  T256] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   12.294258][  T256] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   12.294460][  T256] FS:  00007f51c9659840(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   12.294692][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.294861][  T256] CR2: 000056334d699d5c CR3: 00000000102f0006 CR4: 0000000000771ef0
[   12.295064][  T256] PKRU: 55555554
[   12.295163][  T256] Call Trace:
[   12.295262][  T256]  <TASK>
[   12.295331][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.295466][  T256]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.295599][  T256]  notifier_call_chain (kernel/notifier.c:85)
[   12.295735][  T256]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   12.295873][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.296012][  T256]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   12.296144][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.296281][  T256]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   12.296414][  T256]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   12.296546][  T256]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   12.296679][  T256]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   12.296817][  T256]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   12.296951][  T256]  br_add_if (net/bridge/br_if.c:619)
[   12.297061][  T256]  do_set_master (net/core/rtnetlink.c:3011)
[   12.297193][  T256]  ? netif_change_flags (net/core/dev.c:9820)
[   12.297328][  T256]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   12.297465][  T256]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.297598][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.297763][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.297901][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.298040][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.298171][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.298306][  T256]  ? __kernel_text_address (kernel/extable.c:79)
[   12.298438][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.298572][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.298704][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.298841][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.298973][  T256]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.299111][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.299245][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.299378][  T256]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.299510][  T256]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.299641][  T256]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.299773][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.299912][  T256]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.300051][  T256]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.300185][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.300321][  T256]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.300456][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.300587][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.300718][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.300856][  T256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.300992][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.301127][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.301259][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.301390][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.301523][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.301655][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.301787][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.301924][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.302062][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.302192][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.302326][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.302456][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.302589][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.302721][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.302860][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.303000][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.303132][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.303267][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.303399][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.303533][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.303665][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.303798][  T256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.303936][  T256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.304074][  T256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.304206][  T256]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.304339][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.304502][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   12.304636][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.304767][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.304909][  T256]  ___sys_sendmsg (net/socket.c:2752)
[   12.305049][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.305214][  T256]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.305361][  T256]  __sys_sendmsg (net/socket.c:2784)
[   12.305493][  T256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.305623][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.305790][  T256]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.305927][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.306062][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.306197][  T256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.306331][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.306463][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.306628][  T256] RIP: 0033:0x7f51c989308e
[   12.306767][  T256] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.307251][  T256] RSP: 002b:00007ffc8284a0b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.307455][  T256] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f51c989308e
[   12.307654][  T256] RDX: 0000000000000000 RSI: 00007ffc8284a160 RDI: 0000000000000005
[   12.307854][  T256] RBP: 00007ffc8284a0c0 R08: 0000000000000000 R09: 0000000000000000
[   12.308058][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   12.308259][  T256] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8284a830
| [   12.309977][  T256] ------------[ cut here ]------------
| [   12.310119][  T256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/256
| [   12.310359][  T256] Modules linked in:
| [   12.310744][  T256] Tainted: [W]=WARN
[   12.310855][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.311035][  T256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.311213][  T256] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.311706][  T256] RSP: 0018:ffa0000000be6ea0 EFLAGS: 00010286
[   12.311887][  T256] RAX: 00000000ffffffa6 RBX: ff1100000bdaae40 RCX: 1ff400000017cd9a
[   12.312097][  T256] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bdaaefc
[   12.312305][  T256] RBP: ff1100000a884000 R08: 1fe22000017b55e1 R09: ff1100000fe1ae58
[   12.312511][  T256] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[   12.312719][  T256] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f9d2dc0
[   12.312930][  T256] FS:  00007f51c9659840(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   12.313176][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.313349][  T256] CR2: 000056334d699d5c CR3: 00000000102f0006 CR4: 0000000000771ef0
[   12.313559][  T256] PKRU: 55555554
[   12.313666][  T256] Call Trace:
[   12.313768][  T256]  <TASK>
[   12.313844][  T256]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.313988][  T256]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.314093][  T256]  __dev_notify_flags (net/core/dev.c:9787)
[   12.314231][  T256]  ? netdev_notice (net/core/dev.c:13008)
[   12.314370][  T256]  ? netif_change_name (net/core/dev.c:1495)
[   12.314506][  T256]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.314682][  T256]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   12.314825][  T256]  __dev_set_promiscuity (net/core/dev.c:9630)
[   12.314964][  T256]  netif_set_promiscuity (net/core/dev.c:9639)
[   12.315106][  T256]  dev_set_promiscuity (net/core/dev_api.c:288)
[   12.315244][  T256]  br_port_set_promisc (net/bridge/br_if.c:108)
[   12.315381][  T256]  br_manage_promisc (net/bridge/br_if.c:174)
[   12.315518][  T256]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   12.315659][  T256]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   12.315766][  T256]  do_set_master (net/core/rtnetlink.c:3011)
[   12.315909][  T256]  ? netif_change_flags (net/core/dev.c:9820)
[   12.316053][  T256]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   12.316192][  T256]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.316330][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.316503][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.316642][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.316778][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.316920][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.317060][  T256]  ? __kernel_text_address (kernel/extable.c:79)
[   12.317198][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.317338][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.317474][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.317613][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.317749][  T256]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.317892][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.318031][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.318168][  T256]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.318307][  T256]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.318447][  T256]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.318584][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.318724][  T256]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.318865][  T256]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.319010][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.319152][  T256]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.319290][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.319426][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.319562][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.319698][  T256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.319843][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.319989][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.320127][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.320264][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.320401][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.320538][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.320676][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.320820][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.320959][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.321098][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.321237][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.321374][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.321513][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.321649][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.321889][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.322050][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.322187][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.322327][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.322560][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.322697][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.322840][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.322981][  T256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.323224][  T256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.323361][  T256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.323496][  T256]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.323633][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.323902][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   12.324046][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.324182][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.324322][  T256]  ___sys_sendmsg (net/socket.c:2752)
[   12.324553][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.324721][  T256]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.324872][  T256]  __sys_sendmsg (net/socket.c:2784)
[   12.325015][  T256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.325151][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.325323][  T256]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.325461][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.325693][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.325834][  T256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.325969][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.326112][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.326376][  T256] RIP: 0033:0x7f51c989308e
[   12.326517][  T256] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.327114][  T256] RSP: 002b:00007ffc8284a0b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.327320][  T256] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f51c989308e
[   12.327522][  T256] RDX: 0000000000000000 RSI: 00007ffc8284a160 RDI: 0000000000000005
[   12.327826][  T256] RBP: 00007ffc8284a0c0 R08: 0000000000000000 R09: 0000000000000000
[   12.328032][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   12.328333][  T256] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8284a830
| [   12.331103][  T256] ------------[ cut here ]------------
| [   12.331232][  T256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/256
| [   12.331454][  T256] Modules linked in:
| [   12.331915][  T256] Tainted: [W]=WARN
[   12.332023][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.332275][  T256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.332443][  T256] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.333005][  T256] RSP: 0018:ffa0000000be7000 EFLAGS: 00010286
[   12.333170][  T256] RAX: 00000000ffffffa6 RBX: ff1100000b966040 RCX: 1ff400000017cdc6
[   12.333364][  T256] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9660fc
[   12.333555][  T256] RBP: ff1100000f9d2000 R08: 1fe220000172cc21 R09: ff1100000fe1ae58
[   12.333747][  T256] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   12.334038][  T256] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   12.334232][  T256] FS:  00007f51c9659840(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   12.334457][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.334618][  T256] CR2: 000056334d699d5c CR3: 00000000102f0006 CR4: 0000000000771ef0
[   12.334819][  T256] PKRU: 55555554
[   12.334916][  T256] Call Trace:
[   12.335017][  T256]  <TASK>
[   12.335084][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.335214][  T256]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.335343][  T256]  notifier_call_chain (kernel/notifier.c:85)
[   12.335475][  T256]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   12.335690][  T256]  ? __dev_open (./include/net/netdev_lock.h:33)
[   12.335825][  T256]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   12.335956][  T256]  br_add_if (net/bridge/br_if.c:679)
[   12.336064][  T256]  do_set_master (net/core/rtnetlink.c:3011)
[   12.336280][  T256]  ? netif_change_flags (net/core/dev.c:9820)
[   12.336409][  T256]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   12.336540][  T256]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.336670][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.336836][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.336967][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.337103][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.337231][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.337446][  T256]  ? __kernel_text_address (kernel/extable.c:79)
[   12.337576][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.337708][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.337845][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.337978][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.338111][  T256]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.338240][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.338369][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.338497][  T256]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.338627][  T256]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.338755][  T256]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.338891][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.339113][  T256]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.339241][  T256]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.339372][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.339504][  T256]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.339634][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.339765][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.339898][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.340036][  T256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.340164][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.340296][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.340425][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.340553][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.340773][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.340908][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.341044][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.341172][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.341302][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.341430][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.341573][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.341701][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.341838][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.341968][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.342105][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.342237][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.342366][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.342504][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.342634][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.342764][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.342993][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.343124][  T256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.343256][  T256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.343395][  T256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.343524][  T256]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.343653][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.343816][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   12.343947][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.344082][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.344219][  T256]  ___sys_sendmsg (net/socket.c:2752)
[   12.344347][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.344508][  T256]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.344649][  T256]  __sys_sendmsg (net/socket.c:2784)
[   12.344779][  T256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.344912][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.345086][  T256]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.345218][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.345348][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.345477][  T256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.345606][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.345736][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.345900][  T256] RIP: 0033:0x7f51c989308e
[   12.346047][  T256] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.346604][  T256] RSP: 002b:00007ffc8284a0b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.346799][  T256] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f51c989308e
[   12.347007][  T256] RDX: 0000000000000000 RSI: 00007ffc8284a160 RDI: 0000000000000005
[   12.347204][  T256] RBP: 00007ffc8284a0c0 R08: 0000000000000000 R09: 0000000000000000
[   12.347396][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   12.347589][  T256] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8284a830
| [   12.349457][  T256] ------------[ cut here ]------------
| [   12.349585][  T256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/256
| [   12.349818][  T256] Modules linked in:
| [   12.350186][  T256] Tainted: [W]=WARN
[   12.350283][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.350444][  T256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.350617][  T256] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.351091][  T256] RSP: 0018:ffa0000000be6f78 EFLAGS: 00010286
[   12.351254][  T256] RAX: 00000000ffffffa6 RBX: ff1100000b966580 RCX: 1ff400000017cdb5
[   12.351453][  T256] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b96663c
[   12.351644][  T256] RBP: ff1100000f9d2000 R08: 1fe220000172ccc9 R09: ff1100000fe1ae58
[   12.351843][  T256] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   12.352039][  T256] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[   12.352232][  T256] FS:  00007f51c9659840(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   12.352464][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.352631][  T256] CR2: 000056334d699d5c CR3: 00000000102f0006 CR4: 0000000000771ef0
[   12.352829][  T256] PKRU: 55555554
[   12.352926][  T256] Call Trace:
[   12.353026][  T256]  <TASK>
[   12.353093][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.353230][  T256]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.353361][  T256]  notifier_call_chain (kernel/notifier.c:85)
[   12.353492][  T256]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   12.353660][  T256]  ? netdev_change_features (net/core/dev.c:11117)
[   12.353791][  T256]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   12.353928][  T256]  br_add_if (net/bridge/br_if.c:683)
[   12.354041][  T256]  do_set_master (net/core/rtnetlink.c:3011)
[   12.354171][  T256]  ? netif_change_flags (net/core/dev.c:9820)
[   12.354301][  T256]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   12.354438][  T256]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.354572][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.354732][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.354872][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.355007][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.355135][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.355264][  T256]  ? __kernel_text_address (kernel/extable.c:79)
[   12.355481][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.355615][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.355744][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.355885][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.356020][  T256]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.356149][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.356277][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.356407][  T256]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.356539][  T256]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.356675][  T256]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.356805][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.356942][  T256]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.357076][  T256]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.357209][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.357341][  T256]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.357473][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.357699][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.357832][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.357962][  T256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.358093][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.358227][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.358355][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.358490][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.358620][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.358752][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.358889][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.359024][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.359154][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.359371][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.359508][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.359638][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.359771][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.359907][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.360042][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.360177][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.360315][  T256]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.360448][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.360580][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.360711][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.360850][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.360981][  T256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.361118][  T256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.361255][  T256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.361385][  T256]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.361602][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.361763][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   12.361901][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.362553][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.362692][  T256]  ___sys_sendmsg (net/socket.c:2752)
[   12.362824][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.363044][  T256]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.363187][  T256]  __sys_sendmsg (net/socket.c:2784)
[   12.363318][  T256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.363449][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.363621][  T256]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.363750][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.363885][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.364071][  T256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.364257][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.364387][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.364553][  T256] RIP: 0033:0x7f51c989308e
[   12.364688][  T256] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.365211][  T256] RSP: 002b:00007ffc8284a0b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.365407][  T256] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f51c989308e
[   12.365612][  T256] RDX: 0000000000000000 RSI: 00007ffc8284a160 RDI: 0000000000000005
[   12.365805][  T256] RBP: 00007ffc8284a0c0 R08: 0000000000000000 R09: 0000000000000000
[   12.366059][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   12.366252][  T256] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8284a830
| [   12.380218][   T46] ------------[ cut here ]------------
| [   12.380337][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/46
| [   12.380575][   T46] Modules linked in:
| [   12.380943][   T46] Tainted: [W]=WARN
[   12.381088][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.381239][   T46] Workqueue: events_unbound linkwatch_event
[   12.381398][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.381552][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.381978][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   12.382133][   T46] RAX: 00000000ffffffa6 RBX: ff1100000b967380 RCX: 1ff4000000065f02
[   12.382314][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b96743c
[   12.382488][   T46] RBP: ff1100000a884000 R08: 1fe220000172ce89 R09: ff110000020c0ba8
[   12.382666][   T46] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   12.382845][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.383027][   T46] FS:  0000000000000000(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   12.383233][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.383381][   T46] CR2: 00007f111270f574 CR3: 000000003194d001 CR4: 0000000000771ef0
[   12.383562][   T46] PKRU: 55555554
[   12.383650][   T46] Call Trace:
[   12.383738][   T46]  <TASK>
[   12.383800][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.383923][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.384047][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.384137][   T46]  netif_state_change (net/core/dev.c:1605)
[   12.384260][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.384407][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.384525][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.384645][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.384766][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.384888][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.385014][   T46]  process_one_work (kernel/workqueue.c:3314)
[   12.385136][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.385253][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.385374][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.385500][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.385619][   T46]  kthread (kernel/kthread.c:436)
[   12.385712][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.385861][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.385980][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.386105][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.386255][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.386374][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.386493][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.388187][   T46] ------------[ cut here ]------------
| [   12.388355][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/46
| [   12.388607][   T46] Modules linked in:
| [   12.389036][   T46] Tainted: [W]=WARN
[   12.389125][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.389273][   T46] Workqueue: events_unbound linkwatch_event
[   12.389428][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.389581][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.390035][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   12.390186][   T46] RAX: 00000000ffffffa6 RBX: ff1100000b967a80 RCX: 1ff4000000065f02
[   12.390362][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b967b3c
[   12.390541][   T46] RBP: ff11000009314000 R08: 1fe220000172cf69 R09: ff110000020c0ba8
[   12.390717][   T46] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   12.390900][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.391090][   T46] FS:  0000000000000000(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   12.391298][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.391445][   T46] CR2: 00007f111270f574 CR3: 000000003194d001 CR4: 0000000000771ef0
[   12.391622][   T46] PKRU: 55555554
[   12.391709][   T46] Call Trace:
[   12.391798][   T46]  <TASK>
[   12.391866][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.391990][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.392108][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.392197][   T46]  netif_state_change (net/core/dev.c:1605)
[   12.392317][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.392466][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.392582][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.392707][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.392834][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.392951][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.393074][   T46]  process_one_work (kernel/workqueue.c:3314)
[   12.393197][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.393316][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.393438][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.393562][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.393679][   T46]  kthread (kernel/kthread.c:436)
[   12.393768][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.393921][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.394043][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.394163][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.394310][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.394430][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.394548][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.418501][  T257] ------------[ cut here ]------------
| [   12.418676][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/257
| [   12.418950][  T257] Modules linked in:
| [   12.419413][  T257] Tainted: [W]=WARN
[   12.419554][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.419760][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.419980][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.420496][  T257] RSP: 0018:ffa0000000bf7150 EFLAGS: 00010286
[   12.420704][  T257] RAX: 00000000ffffffa6 RBX: ff11000009d9ae40 RCX: 1ff400000017edf0
[   12.420947][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009d9aefc
[   12.421296][  T257] RBP: ff1100000f9d2000 R08: 1fe22000013b35e1 R09: ff1100000fe1d158
[   12.421618][  T257] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.421932][  T257] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ec403c0
[   12.422269][  T257] FS:  00007f2fede7e840(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   12.422601][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.422868][  T257] CR2: 00000000004ec908 CR3: 00000000103db004 CR4: 0000000000771ef0
[   12.423177][  T257] PKRU: 55555554
[   12.423371][  T257] Call Trace:
[   12.423582][  T257]  <TASK>
[   12.423692][  T257]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.423878][  T257]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.424071][  T257]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.424219][  T257]  netif_state_change (net/core/dev.c:1605)
[   12.424397][  T257]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.424603][  T257]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   12.424820][  T257]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   12.425010][  T257]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   12.425187][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.425360][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.425538][  T257]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   12.425713][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.425896][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.426087][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.426280][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.426456][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.426634][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.426820][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.427009][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.427187][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.427364][  T257]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   12.427540][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.427716][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.427901][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.428093][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.428271][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.428445][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.428621][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.428796][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.428980][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.429172][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.429347][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.429528][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.429706][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.429889][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.430077][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.430255][  T257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.430433][  T257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.430611][  T257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.430787][  T257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.430973][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.431189][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   12.431365][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.431542][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.431749][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.431932][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.432156][  T257]  ___sys_sendmsg (net/socket.c:2752)
[   12.432335][  T257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.432511][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.432693][  T257]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   12.432878][  T257]  ? do_getsockname (net/socket.c:2192)
[   12.433068][  T257]  __sys_sendmsg (net/socket.c:2784)
[   12.433246][  T257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.433425][  T257]  ? __sys_getsockname (net/socket.c:2210)
[   12.433603][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.433779][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.433957][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.434143][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.434320][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.434525][  T257] RIP: 0033:0x7f2fee0b808e
[   12.434705][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.435229][  T257] RSP: 002b:00007ffe89d906e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.435468][  T257] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2fee0b808e
[   12.435706][  T257] RDX: 0000000000000000 RSI: 00007ffe89d90790 RDI: 0000000000000006
[   12.435952][  T257] RBP: 00007ffe89d906f0 R08: 0000000000000000 R09: 0000000000000000
[   12.436202][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   12.436440][  T257] R13: 00007ffe89d90840 R14: 00007ffe89d92488 R15: 00000000fffffff5
| [   12.439462][  T257] ------------[ cut here ]------------
| [   12.439608][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/257
| [   12.439839][  T257] Modules linked in:
| [   12.440217][  T257] Tainted: [W]=WARN
[   12.440316][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.440478][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.440646][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.441119][  T257] RSP: 0018:ffa0000000bf7020 EFLAGS: 00010286
[   12.441281][  T257] RAX: 00000000ffffffa6 RBX: ff11000009f103c0 RCX: 1ff400000017edca
[   12.441480][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009f1047c
[   12.441672][  T257] RBP: ff1100000ff71000 R08: 1fe22000013e2091 R09: ff1100000fe1d158
[   12.441871][  T257] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.442072][  T257] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.442269][  T257] FS:  00007f2fede7e840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   12.442495][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.442658][  T257] CR2: 00000000004eba78 CR3: 00000000103db002 CR4: 0000000000771ef0
[   12.442857][  T257] PKRU: 55555554
[   12.442954][  T257] Call Trace:
[   12.443057][  T257]  <TASK>
[   12.443124][  T257]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.443256][  T257]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.443354][  T257]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.443483][  T257]  __dev_notify_flags (net/core/dev.c:9787)
[   12.443614][  T257]  ? netif_change_name (net/core/dev.c:1495)
[   12.443743][  T257]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.443881][  T257]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.444017][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.444148][  T257]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.444280][  T257]  netif_change_flags (net/core/dev.c:9820)
[   12.444410][  T257]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.444540][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.444672][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.444803][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.444972][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.445107][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.445239][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.445369][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.445498][  T257]  ? __kernel_text_address (kernel/extable.c:79)
[   12.445628][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.445758][  T257]  ? osq_unlock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1324 kernel/locking/osq_lock.c:218)
[   12.445893][  T257]  ? osq_lock (kernel/locking/osq_lock.c:204 (discriminator 2))
[   12.446000][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.446131][  T257]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.446263][  T257]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.446393][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.446525][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.446656][  T257]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.446789][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.446926][  T257]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.447063][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.447195][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.447327][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.447458][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.447588][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.447720][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.447855][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.447991][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.448121][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.448255][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.448386][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.448515][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.448645][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.448772][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.448906][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.449040][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.449172][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.449303][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.449433][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.449567][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.449696][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.449830][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.449960][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.450093][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.450224][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.450357][  T257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.450487][  T257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.450618][  T257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.450747][  T257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.450881][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.451048][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   12.451178][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.451310][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.451442][  T257]  ___sys_sendmsg (net/socket.c:2752)
[   12.451571][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.451734][  T257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.451881][  T257]  __sys_sendmsg (net/socket.c:2784)
[   12.452019][  T257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.452151][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.452317][  T257]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.452448][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.452580][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.452710][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.452844][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.452975][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.453142][  T257] RIP: 0033:0x7f2fee0b808e
[   12.453278][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.453742][  T257] RSP: 002b:00007ffe89d91cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.453941][  T257] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2fee0b808e
[   12.454142][  T257] RDX: 0000000000000000 RSI: 00007ffe89d91da0 RDI: 0000000000000005
[   12.454338][  T257] RBP: 00007ffe89d91d00 R08: 0000000000000000 R09: 0000000000000000
[   12.454534][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   12.454726][  T257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe89d92470
| [   12.457526][  T257] ------------[ cut here ]------------
| [   12.457660][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/257
| [   12.457892][  T257] Modules linked in:
| [   12.458272][  T257] Tainted: [W]=WARN
[   12.458373][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.458541][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.458712][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.459194][  T257] RSP: 0018:ffa0000000bf6ee0 EFLAGS: 00010286
[   12.459363][  T257] RAX: 00000000ffffffa6 RBX: ff1100000bdaa3c0 RCX: 1ff400000017eda2
[   12.459563][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bdaa47c
[   12.459762][  T257] RBP: ff1100000ff71000 R08: 1fe22000017b5491 R09: ff1100000fe1d158
[   12.459967][  T257] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.460174][  T257] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.460373][  T257] FS:  00007f2fede7e840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   12.460605][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.460771][  T257] CR2: 00000000004eba78 CR3: 00000000103db002 CR4: 0000000000771ef0
[   12.460979][  T257] PKRU: 55555554
[   12.461085][  T257] Call Trace:
[   12.461182][  T257]  <TASK>
[   12.461250][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.461383][  T257]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.461515][  T257]  notifier_call_chain (kernel/notifier.c:85)
[   12.461650][  T257]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   12.461783][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.461926][  T257]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   12.462064][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.462201][  T257]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   12.462334][  T257]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   12.462466][  T257]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   12.462600][  T257]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   12.462735][  T257]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   12.462874][  T257]  br_add_if (net/bridge/br_if.c:619)
[   12.462982][  T257]  do_set_master (net/core/rtnetlink.c:3011)
[   12.463121][  T257]  ? netif_change_flags (net/core/dev.c:9820)
[   12.463256][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   12.463392][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.463526][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.463692][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.463829][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.463965][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.464103][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.464236][  T257]  ? __kernel_text_address (kernel/extable.c:79)
[   12.464369][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.464503][  T257]  ? osq_unlock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1324 kernel/locking/osq_lock.c:218)
[   12.464637][  T257]  ? osq_lock (kernel/locking/osq_lock.c:204 (discriminator 2))
[   12.464739][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.464880][  T257]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.465018][  T257]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.465151][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.465285][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.465418][  T257]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.465555][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.465692][  T257]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.465830][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.465963][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.466100][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.466233][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.466367][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.466503][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.466635][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.466770][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.466909][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.467050][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.467184][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.467318][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.467451][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.467585][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.467721][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.467858][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.467999][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.468133][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.468266][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.468402][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.468536][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.468672][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.468807][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.468949][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.469088][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.469224][  T257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.469358][  T257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.469494][  T257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.469627][  T257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.469759][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.469929][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   12.470070][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.470204][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.470339][  T257]  ___sys_sendmsg (net/socket.c:2752)
[   12.470471][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.470637][  T257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.470784][  T257]  __sys_sendmsg (net/socket.c:2784)
[   12.470923][  T257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.471062][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.471232][  T257]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.471366][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.471500][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.471633][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.471768][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.471914][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.472165][  T257] RIP: 0033:0x7f2fee0b808e
[   12.472373][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.473101][  T257] RSP: 002b:00007ffe89d91cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.473307][  T257] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2fee0b808e
[   12.473511][  T257] RDX: 0000000000000000 RSI: 00007ffe89d91da0 RDI: 0000000000000005
[   12.473710][  T257] RBP: 00007ffe89d91d00 R08: 0000000000000000 R09: 0000000000000000
[   12.473913][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   12.474117][  T257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe89d92470
| [   12.475800][  T257] ------------[ cut here ]------------
| [   12.475943][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/257
| [   12.476189][  T257] Modules linked in:
| [   12.476574][  T257] Tainted: [W]=WARN
[   12.476679][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.476858][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.477046][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.477543][  T257] RSP: 0018:ffa0000000bf6ea0 EFLAGS: 00010286
[   12.477718][  T257] RAX: 00000000ffffffa6 RBX: ff1100000bdab700 RCX: 1ff400000017ed9a
[   12.477930][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bdab7bc
[   12.478143][  T257] RBP: ff1100000ff71000 R08: 1fe22000017b56f9 R09: ff1100000fe1d158
[   12.478355][  T257] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   12.478561][  T257] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f9d2dc0
[   12.478770][  T257] FS:  00007f2fede7e840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   12.479024][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.479197][  T257] CR2: 00000000004eba78 CR3: 00000000103db002 CR4: 0000000000771ef0
[   12.479406][  T257] PKRU: 55555554
[   12.479510][  T257] Call Trace:
[   12.479614][  T257]  <TASK>
[   12.479686][  T257]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.479833][  T257]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.479940][  T257]  __dev_notify_flags (net/core/dev.c:9787)
[   12.480085][  T257]  ? netdev_notice (net/core/dev.c:13008)
[   12.480227][  T257]  ? netif_change_name (net/core/dev.c:1495)
[   12.480367][  T257]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.480542][  T257]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   12.480684][  T257]  __dev_set_promiscuity (net/core/dev.c:9630)
[   12.480830][  T257]  netif_set_promiscuity (net/core/dev.c:9639)
[   12.480972][  T257]  dev_set_promiscuity (net/core/dev_api.c:288)
[   12.481120][  T257]  br_port_set_promisc (net/bridge/br_if.c:108)
[   12.481262][  T257]  br_manage_promisc (net/bridge/br_if.c:174)
[   12.481402][  T257]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   12.481543][  T257]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   12.481652][  T257]  do_set_master (net/core/rtnetlink.c:3011)
[   12.481793][  T257]  ? netif_change_flags (net/core/dev.c:9820)
[   12.481941][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   12.482092][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.482232][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.482406][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.482544][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.482683][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.482828][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.482969][  T257]  ? __kernel_text_address (kernel/extable.c:79)
[   12.483115][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.483258][  T257]  ? osq_unlock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1324 kernel/locking/osq_lock.c:218)
[   12.483398][  T257]  ? osq_lock (kernel/locking/osq_lock.c:204 (discriminator 2))
[   12.483504][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.483645][  T257]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.483787][  T257]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.483932][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.484079][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.484219][  T257]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.484361][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.484505][  T257]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.484646][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.484786][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.484930][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.485076][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.485217][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.485359][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.485498][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.485637][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.485776][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.485924][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.486068][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.486208][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.486347][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.486485][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.486625][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.486764][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.486910][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.487057][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.487197][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.487339][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.487478][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.487620][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.487762][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.487909][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.488058][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.488200][  T257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.488342][  T257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.488484][  T257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.488624][  T257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.488765][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.488946][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   12.489094][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.489237][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.489379][  T257]  ___sys_sendmsg (net/socket.c:2752)
[   12.489520][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.489694][  T257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.489852][  T257]  __sys_sendmsg (net/socket.c:2784)
[   12.489997][  T257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.490135][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.490312][  T257]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.490451][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.490592][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.490749][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.490959][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.491180][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.491446][  T257] RIP: 0033:0x7f2fee0b808e
[   12.491634][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.492166][  T257] RSP: 002b:00007ffe89d91cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.492377][  T257] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2fee0b808e
[   12.492627][  T257] RDX: 0000000000000000 RSI: 00007ffe89d91da0 RDI: 0000000000000005
[   12.492942][  T257] RBP: 00007ffe89d91d00 R08: 0000000000000000 R09: 0000000000000000
[   12.493274][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   12.493496][  T257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe89d92470
| [   12.495568][  T257] ------------[ cut here ]------------
| [   12.495698][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/257
| [   12.495929][  T257] Modules linked in:
| [   12.496302][  T257] Tainted: [W]=WARN
[   12.496400][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.496563][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.496733][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.497215][  T257] RSP: 0018:ffa0000000bf6f78 EFLAGS: 00010286
[   12.497378][  T257] RAX: 00000000ffffffa6 RBX: ff11000011d363c0 RCX: 1ff400000017edb5
[   12.497573][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011d3647c
[   12.497766][  T257] RBP: ff1100000f9d2000 R08: 1fe22000023a6c91 R09: ff1100000fe1d158
[   12.497967][  T257] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.498174][  T257] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[   12.498371][  T257] FS:  00007f2fede7e840(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   12.498600][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.498764][  T257] CR2: 00000000004eba78 CR3: 00000000103db002 CR4: 0000000000771ef0
[   12.498968][  T257] PKRU: 55555554
[   12.499071][  T257] Call Trace:
[   12.499169][  T257]  <TASK>
[   12.499237][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.499368][  T257]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.499500][  T257]  notifier_call_chain (kernel/notifier.c:85)
[   12.499632][  T257]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   12.499798][  T257]  ? br_get_link_af_size_filtered (./include/linux/rcupdate.h:871 net/bridge/br_netlink.c:114)
[   12.499970][  T257]  ? netdev_change_features (net/core/dev.c:11117)
[   12.500110][  T257]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   12.500244][  T257]  br_add_if (net/bridge/br_if.c:683)
[   12.500346][  T257]  do_set_master (net/core/rtnetlink.c:3011)
[   12.500477][  T257]  ? netif_change_flags (net/core/dev.c:9820)
[   12.500610][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   12.500745][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.500883][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.501059][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.501204][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.501334][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.501466][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.501599][  T257]  ? __kernel_text_address (kernel/extable.c:79)
[   12.501731][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.501872][  T257]  ? osq_unlock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1324 kernel/locking/osq_lock.c:218)
[   12.502009][  T257]  ? osq_lock (kernel/locking/osq_lock.c:204 (discriminator 2))
[   12.502110][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.502242][  T257]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.502374][  T257]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.502505][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.502639][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.502771][  T257]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.502916][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.503070][  T257]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.503203][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.503334][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.503466][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.503598][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.503730][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.503871][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.504008][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.504139][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.504270][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.504494][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.504627][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.504760][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.504896][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.505120][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.505255][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.505385][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.505518][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.505737][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.505874][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.506017][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.506147][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.506368][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.506500][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.506632][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.506763][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.506994][  T257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.507128][  T257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.507263][  T257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.507394][  T257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.507613][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.507774][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   12.507913][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.508138][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.508272][  T257]  ___sys_sendmsg (net/socket.c:2752)
[   12.508402][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.508566][  T257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.508796][  T257]  __sys_sendmsg (net/socket.c:2784)
[   12.508932][  T257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.509068][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.509233][  T257]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.509365][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.509498][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.509631][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.509762][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.509901][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.510071][  T257] RIP: 0033:0x7f2fee0b808e
[   12.510207][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.510679][  T257] RSP: 002b:00007ffe89d91cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.510882][  T257] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2fee0b808e
[   12.511083][  T257] RDX: 0000000000000000 RSI: 00007ffe89d91da0 RDI: 0000000000000005
[   12.511282][  T257] RBP: 00007ffe89d91d00 R08: 0000000000000000 R09: 0000000000000000
[   12.511477][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e0ea
[   12.511671][  T257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe89d92470
| [   12.514268][   T36] ------------[ cut here ]------------
| [   12.514386][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   12.514617][   T36] Modules linked in:
| [   12.515399][   T36] Tainted: [W]=WARN
[   12.515490][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.515638][   T36] Workqueue: events_unbound linkwatch_event
[   12.515859][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.516174][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.516800][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   12.517119][   T36] RAX: 00000000ffffffa6 RBX: ff11000011d371c0 RCX: 1ff4000000051f02
[   12.517393][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011d3727c
[   12.517664][   T36] RBP: ff1100000ff71000 R08: 1fe22000023a6e51 R09: ff11000001d751a8
[   12.517928][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.518287][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.518592][   T36] FS:  0000000000000000(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   12.519087][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.519317][   T36] CR2: 00000000004eba78 CR3: 000000003194d001 CR4: 0000000000771ef0
[   12.519533][   T36] PKRU: 55555554
[   12.519634][   T36] Call Trace:
[   12.519763][   T36]  <TASK>
[   12.519859][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.520130][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.520315][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.520439][   T36]  netif_state_change (net/core/dev.c:1605)
[   12.520558][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.520770][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.520954][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.521232][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.521408][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.521526][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.521645][   T36]  process_one_work (kernel/workqueue.c:3314)
[   12.521805][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.522115][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.522238][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.522359][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.522477][   T36]  kthread (kernel/kthread.c:436)
[   12.522571][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.522716][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.522845][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.523311][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.523535][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.523717][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.523889][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.527855][   T36] ------------[ cut here ]------------
| [   12.528608][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   12.528868][   T36] Modules linked in:
| [   12.529283][   T36] Tainted: [W]=WARN
[   12.529499][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.529667][   T36] Workqueue: events_unbound linkwatch_event
[   12.529824][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.529981][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.530474][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   12.530621][   T36] RAX: 00000000ffffffa6 RBX: ff11000011d378c0 RCX: 1ff4000000051f02
[   12.530797][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011d3797c
[   12.530977][   T36] RBP: ff1100000ff74000 R08: 1fe22000023a6f31 R09: ff11000001d751a8
[   12.531211][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.531385][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.531618][   T36] FS:  0000000000000000(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   12.531827][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.531975][   T36] CR2: 00000000004eba78 CR3: 000000003194d001 CR4: 0000000000771ef0
[   12.532211][   T36] PKRU: 55555554
[   12.532299][   T36] Call Trace:
[   12.532387][   T36]  <TASK>
[   12.532453][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.532572][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.532689][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.532778][   T36]  netif_state_change (net/core/dev.c:1605)
[   12.532902][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.533115][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.533231][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.533352][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.533471][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.533589][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.533708][   T36]  process_one_work (kernel/workqueue.c:3314)
[   12.533831][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.533948][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.534128][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.534250][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.534371][   T36]  kthread (kernel/kthread.c:436)
[   12.534459][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.534603][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.534722][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.534845][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.535049][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.535169][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.535286][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.071797][   T12] ------------[ cut here ]------------
| [   15.071932][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.072259][   T12] Modules linked in:
| [   15.072693][   T12] Tainted: [W]=WARN
[   15.072792][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.072971][   T12] Workqueue: netns cleanup_net
[   15.073167][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.073336][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.073815][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[   15.074087][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b5d1a80 RCX: 1ff4000000018ebc
[   15.074295][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5d1b3c
[   15.074488][   T12] RBP: ff1100000ff71000 R08: 1fe22000016ba369 R09: ff11000001aed1d0
[   15.074682][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   15.074884][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.075093][   T12] FS:  0000000000000000(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   15.075378][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.075541][   T12] CR2: 000056334d699d5c CR3: 000000000a7b4004 CR4: 0000000000771ef0
[   15.075733][   T12] PKRU: 55555554
[   15.075836][   T12] Call Trace:
[   15.075940][   T12]  <TASK>
[   15.076015][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.076147][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.076244][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   15.076372][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   15.076502][   T12]  ? netdev_notice (net/core/dev.c:13008)
[   15.076628][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   15.076756][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.076888][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   15.077083][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.077211][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[   15.077336][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.077463][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[   15.077588][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   15.077718][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   15.077850][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   15.077947][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.078114][   T12]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   15.078244][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   15.078371][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   15.078500][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   15.078629][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.078757][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.078887][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.079019][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.079147][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.079274][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.079399][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.079528][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.079653][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.079783][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.079919][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.080050][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.080180][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.080310][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.080435][   T12]  kthread (kernel/kthread.c:436)
[   15.080532][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.080692][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.080822][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.080952][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.081118][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.081246][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.081374][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.085305][   T12] ------------[ cut here ]------------
| [   15.085442][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.085698][   T12] Modules linked in:
| [   15.086120][   T12] Tainted: [W]=WARN
[   15.086217][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.086375][   T12] Workqueue: netns cleanup_net
[   15.086510][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.086678][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.087280][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[   15.087530][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fdc4e40 RCX: 1ff4000000018ec0
[   15.087810][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fdc4efc
[   15.088113][   T12] RBP: ff1100000ff71000 R08: 1fe2200001fb89e1 R09: ff11000001aed1d0
[   15.088400][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   15.088694][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   15.089009][   T12] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   15.089377][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.089628][   T12] CR2: 000056334d69a3a8 CR3: 0000000011d9d002 CR4: 0000000000771ef0
[   15.089923][   T12] PKRU: 55555554
[   15.090078][   T12] Call Trace:
[   15.090223][   T12]  <TASK>
[   15.090325][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.090523][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   15.090737][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   15.090964][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   15.091188][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   15.091456][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.091667][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.091883][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   15.092100][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   15.092355][   T12]  ? br_manage_promisc (net/bridge/br_if.c:174)
[   15.092542][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.092730][   T12]  del_nbp (net/bridge/br_if.c:363)
[   15.092885][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   15.093085][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   15.093282][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   15.093469][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.093662][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.093857][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.094056][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.094243][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.094435][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.094617][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.094812][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.095043][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.095246][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.095452][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.095652][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.095869][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.096089][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.096289][   T12]  kthread (kernel/kthread.c:436)
[   15.096441][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.096691][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.096895][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.097105][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.097354][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.097545][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.097743][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.101401][   T12] ------------[ cut here ]------------
| [   15.101605][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.102024][   T12] Modules linked in:
| [   15.102787][   T12] Tainted: [W]=WARN
[   15.102952][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.103229][   T12] Workqueue: netns cleanup_net
[   15.103442][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.103688][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.104411][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[   15.104670][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fdc5000 RCX: 1ff4000000018ebc
[   15.104981][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fdc50bc
[   15.105395][   T12] RBP: ff1100000a884000 R08: 1fe2200001fb8a19 R09: ff11000001aed1d0
[   15.105687][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[   15.105997][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.106297][   T12] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   15.106646][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.106904][   T12] CR2: 000056334d69a3a8 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.107211][   T12] PKRU: 55555554
[   15.107366][   T12] Call Trace:
[   15.107515][   T12]  <TASK>
[   15.107619][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.107828][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.108148][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   15.108350][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   15.108550][   T12]  ? netdev_notice (net/core/dev.c:13008)
[   15.108749][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   15.108960][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.109308][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   15.109508][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.109857][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[   15.110063][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.110265][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[   15.110462][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   15.110664][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   15.110870][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   15.111027][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.111224][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.111474][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   15.111676][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   15.112175][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   15.112377][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.112577][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.112773][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.113124][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.113326][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.113664][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.113866][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.114212][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.114411][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.114611][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.114814][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.115025][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.115229][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.115434][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.115629][   T12]  kthread (kernel/kthread.c:436)
[   15.115779][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.116036][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.116374][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.116573][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.116824][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.117029][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.117225][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.125708][   T12] ------------[ cut here ]------------
| [   15.125913][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.126403][   T12] Modules linked in:
| [   15.127127][   T12] Tainted: [W]=WARN
[   15.127272][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.127514][   T12] Workqueue: netns cleanup_net
[   15.127715][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.127968][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.128655][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[   15.128903][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cc9e040 RCX: 1ff4000000018ec0
[   15.129196][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc9e0fc
[   15.129479][   T12] RBP: ff1100000a884000 R08: 1fe2200001993c21 R09: ff11000001aed1d0
[   15.129764][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   15.130064][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   15.130355][   T12] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   15.130691][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.130936][   T12] CR2: 000056334d69a3a8 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.131232][   T12] PKRU: 55555554
[   15.131376][   T12] Call Trace:
[   15.131520][   T12]  <TASK>
[   15.131619][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.131810][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   15.132011][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   15.132210][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   15.132404][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   15.132645][   T12]  ? fdb_delete_local (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br_fdb.c:365)
[   15.132840][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.133046][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   15.133238][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   15.133473][   T12]  ? br_manage_promisc (net/bridge/br_if.c:152 (discriminator 1))
[   15.133665][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.133866][   T12]  del_nbp (net/bridge/br_if.c:363)
[   15.134023][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   15.134221][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   15.134416][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   15.134610][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.134799][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.135000][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.135192][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.135386][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.135578][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.135768][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.135970][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.136168][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.136365][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.136562][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.136753][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.136959][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.137165][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.137359][   T12]  kthread (kernel/kthread.c:436)
[   15.137504][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.137742][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.137936][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.138136][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.138376][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.138571][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.138762][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.143224][   T12] ------------[ cut here ]------------
| [   15.143409][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.143767][   T12] Modules linked in:
| [   15.144332][   T12] Tainted: [W]=WARN
[   15.144472][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.144701][   T12] Workqueue: netns cleanup_net
[   15.144895][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.145390][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.146052][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[   15.146283][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cc9e900 RCX: 1ff4000000018ec7
[   15.146563][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc9e9bc
[   15.146838][   T12] RBP: ff1100000f9d2000 R08: 1fe2200001993d39 R09: ff11000001aed1d0
[   15.147120][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   15.147390][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c78a0
[   15.147660][   T12] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   15.147991][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.148218][   T12] CR2: 000056334d69a3a8 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.148491][   T12] PKRU: 55555554
[   15.148626][   T12] Call Trace:
[   15.148760][   T12]  <TASK>
[   15.148862][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.149053][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.149194][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.149381][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.149563][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.149793][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.150028][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.150212][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.150438][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.150621][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.150805][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.150999][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.151182][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.151369][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.151553][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.151733][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.151917][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.152107][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.152292][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.152478][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.152656][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.152841][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.153030][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.153217][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.153405][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.153587][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.153776][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.153971][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.154158][   T12]  kthread (kernel/kthread.c:436)
[   15.154298][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.154521][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.154701][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.154885][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.155121][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.155307][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.155490][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.159861][   T12] ------------[ cut here ]------------
| [   15.159997][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.160227][   T12] Modules linked in:
| [   15.160577][   T12] Tainted: [W]=WARN
[   15.160665][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.160808][   T12] Workqueue: netns cleanup_net
[   15.160936][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.161094][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.161501][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.161644][   T12] RAX: 00000000ffffffa6 RBX: ff11000011dea040 RCX: 1ff4000000018eed
[   15.161815][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011dea0fc
[   15.161993][   T12] RBP: ff1100000ffec000 R08: 1fe22000023bd421 R09: ff11000001aed1d0
[   15.162159][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.162327][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.162499][   T12] FS:  0000000000000000(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   15.162695][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.162840][   T12] CR2: 00007f0762401888 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.163016][   T12] PKRU: 55555554
[   15.163100][   T12] Call Trace:
[   15.163182][   T12]  <TASK>
[   15.163242][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.163386][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.163526][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.163637][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.163750][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.163872][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.163992][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.164107][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.164217][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.164327][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.164438][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.164551][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.164663][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.164777][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.164897][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.165017][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.165129][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.165244][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.165354][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.165471][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.165590][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.165700][   T12]  kthread (kernel/kthread.c:436)
[   15.165784][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.165927][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.166046][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.166157][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.166298][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.166412][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.166524][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.168855][   T12] ------------[ cut here ]------------
| [   15.169003][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.169224][   T12] Modules linked in:
| [   15.169569][   T12] Tainted: [W]=WARN
[   15.169653][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.169799][   T12] Workqueue: netns cleanup_net
[   15.169919][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.170069][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.170467][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.170606][   T12] RAX: 00000000ffffffa6 RBX: ff11000011dea740 RCX: 1ff4000000018eed
[   15.170770][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011dea7fc
[   15.170943][   T12] RBP: ff1100000ffe9000 R08: 1fe22000023bd501 R09: ff11000001aed1d0
[   15.171163][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.171333][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.171498][   T12] FS:  0000000000000000(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   15.171692][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.171832][   T12] CR2: 00007f0762401888 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.172047][   T12] PKRU: 55555554
[   15.172130][   T12] Call Trace:
[   15.172213][   T12]  <TASK>
[   15.172272][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.172415][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.172551][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.172668][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.172779][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.172894][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.173055][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.173169][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.173282][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.173392][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.173506][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.173620][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.173730][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.173850][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.173965][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.174119][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.174236][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.174355][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.174465][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.174584][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.174699][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.174809][   T12]  kthread (kernel/kthread.c:436)
[   15.174899][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.175083][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.175198][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.175315][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.175455][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.175570][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.175680][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.178767][   T12] ------------[ cut here ]------------
| [   15.178898][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   15.179130][   T12] Modules linked in:
| [   15.179481][   T12] Tainted: [W]=WARN
[   15.179567][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.179708][   T12] Workqueue: netns cleanup_net
[   15.179831][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.179980][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.180395][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.180538][   T12] RAX: 00000000ffffffa6 RBX: ff11000011deae40 RCX: 1ff4000000018eed
[   15.180710][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011deaefc
[   15.180883][   T12] RBP: ff1100000eddc000 R08: 1fe22000023bd5e1 R09: ff11000001aed1d0
[   15.181087][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.181264][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.181436][   T12] FS:  0000000000000000(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   15.181637][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.181779][   T12] CR2: 00007f0b4601e668 CR3: 000000000e8b8003 CR4: 0000000000771ef0
[   15.181952][   T12] PKRU: 55555554
[   15.182042][   T12] Call Trace:
[   15.182128][   T12]  <TASK>
[   15.182187][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.182331][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.182469][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.182582][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.182697][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.182808][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.182927][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.183048][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.183161][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.183274][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.183387][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.183502][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.183615][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.183728][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.183857][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.183973][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.184096][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.184214][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.184326][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.184444][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.184561][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.184675][   T12]  kthread (kernel/kthread.c:436)
[   15.184763][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.184906][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.185024][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.185138][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.185279][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.185392][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.185505][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.187443][   T12] ------------[ cut here ]------------
| [   15.187556][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   15.187777][   T12] Modules linked in:
| [   15.188191][   T12] Tainted: [W]=WARN
[   15.188277][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.188421][   T12] Workqueue: netns cleanup_net
[   15.188538][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.188684][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.189102][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.189246][   T12] RAX: 00000000ffffffa6 RBX: ff11000011deb380 RCX: 1ff4000000018eed
[   15.189415][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011deb43c
[   15.189585][   T12] RBP: ff110000092e9000 R08: 1fe22000023bd689 R09: ff11000001aed1d0
[   15.189755][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.189932][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.190112][   T12] FS:  0000000000000000(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   15.190311][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.190452][   T12] CR2: 00007f0b4601e668 CR3: 000000000e8b8003 CR4: 0000000000771ef0
[   15.190623][   T12] PKRU: 55555554
[   15.190707][   T12] Call Trace:
[   15.190792][   T12]  <TASK>
[   15.190856][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.191008][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.191150][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.191264][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.191378][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.191492][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.191607][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.191722][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.191839][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.191954][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.192074][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.192188][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.192301][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.192413][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.192528][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.192641][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.192757][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.192880][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.192997][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.193115][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.193234][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.193376][   T12]  kthread (kernel/kthread.c:436)
[   15.193461][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.193602][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.193718][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.193832][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.193974][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.194092][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.194207][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.196099][   T12] ------------[ cut here ]------------
| [   15.196211][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   15.196431][   T12] Modules linked in:
| [   15.196773][   T12] Tainted: [W]=WARN
[   15.196860][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.197006][   T12] Workqueue: netns cleanup_net
[   15.197121][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.197266][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.197667][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.197808][   T12] RAX: 00000000ffffffa6 RBX: ff11000011deb700 RCX: 1ff4000000018eed
[   15.197980][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011deb7bc
[   15.198152][   T12] RBP: ff11000008f6c000 R08: 1fe22000023bd6f9 R09: ff11000001aed1d0
[   15.198321][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.198490][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.198664][   T12] FS:  0000000000000000(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   15.198865][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.199015][   T12] CR2: 00007f0b4601e668 CR3: 000000000e8b8003 CR4: 0000000000771ef0
[   15.199185][   T12] PKRU: 55555554
[   15.199270][   T12] Call Trace:
[   15.199353][   T12]  <TASK>
[   15.199413][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.199557][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.199697][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.199815][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.199934][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.200050][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.200165][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.200280][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.200392][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.200505][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.200618][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.200736][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.200853][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.200965][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.201083][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.201200][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.201315][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.201432][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.201544][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.201664][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.201782][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.201899][   T12]  kthread (kernel/kthread.c:436)
[   15.201990][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.202131][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.202244][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.202358][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.202501][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.202615][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.202732][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.205250][   T12] ------------[ cut here ]------------
| [   15.205367][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   15.205587][   T12] Modules linked in:
| [   15.205934][   T12] Tainted: [W]=WARN
[   15.206028][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.206170][   T12] Workqueue: netns cleanup_net
[   15.206287][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.206433][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.206842][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.206991][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c779000 RCX: 1ff4000000018eed
[   15.207160][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7790bc
[   15.207328][   T12] RBP: ff1100000f9d2000 R08: 1fe22000018ef219 R09: ff11000001aed1d0
[   15.207505][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.207673][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.207848][   T12] FS:  0000000000000000(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   15.208053][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.208198][   T12] CR2: 00007f0b4601e668 CR3: 000000000e8b8003 CR4: 0000000000771ef0
[   15.208368][   T12] PKRU: 55555554
[   15.208453][   T12] Call Trace:
[   15.208537][   T12]  <TASK>
[   15.208596][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.208740][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.208887][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.209006][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.209119][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.209232][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.209347][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.209461][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.209573][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.209685][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.209799][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.209917][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.210037][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.210148][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.210263][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.210376][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.210491][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.210609][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.210727][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.210849][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.210972][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.211091][   T12]  kthread (kernel/kthread.c:436)
[   15.211177][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.211321][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.211434][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.211551][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.211691][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.211802][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.211922][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.229860][   T12] ------------[ cut here ]------------
| [   15.230415][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   15.230652][   T12] Modules linked in:
| [   15.231080][   T12] Tainted: [W]=WARN
[   15.231171][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.231320][   T12] Workqueue: netns cleanup_net
[   15.231445][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.231601][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.232078][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.232229][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c7783c0 RCX: 1ff4000000018eaf
[   15.232405][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c77847c
[   15.232585][   T12] RBP: ff1100000ff71000 R08: 1fe22000018ef091 R09: ff11000001aed1d0
[   15.232763][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   15.232946][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff74000
[   15.233132][   T12] FS:  0000000000000000(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   15.233342][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.233492][   T12] CR2: 00007f0b4601e668 CR3: 000000000e8b8003 CR4: 0000000000771ef0
[   15.233671][   T12] PKRU: 55555554
[   15.233760][   T12] Call Trace:
[   15.233853][   T12]  <TASK>
[   15.233916][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.234043][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.234137][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.234258][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.234377][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.234497][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.234615][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.234734][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.234888][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.235046][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.235169][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.235317][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.235437][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.235555][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.235704][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.235832][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.235954][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.236083][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.236205][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.236326][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.236446][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.236565][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.236682][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.236801][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.236927][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.237053][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.237171][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.237291][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.237409][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.237530][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.237654][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.237773][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.237903][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.238031][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.238152][   T12]  kthread (kernel/kthread.c:436)
[   15.238244][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.238392][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.238514][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.238634][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.238783][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.238909][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.239035][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.241070][   T12] ------------[ cut here ]------------
| [   15.241193][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   15.241427][   T12] Modules linked in:
| [   15.241787][   T12] Tainted: [W]=WARN
[   15.241882][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.242411][   T12] Workqueue: netns cleanup_net
[   15.242535][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.242689][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.243166][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.243315][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe2c040 RCX: 1ff4000000018eaf
[   15.243490][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe2c0fc
[   15.243667][   T12] RBP: ff1100000ff74000 R08: 1fe2200001fc5821 R09: ff11000001aed1d0
[   15.243849][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   15.244078][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a884000
[   15.244307][   T12] FS:  0000000000000000(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   15.244513][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.244661][   T12] CR2: 00007f0b4601e668 CR3: 000000000e8b8003 CR4: 0000000000771ef0
[   15.244847][   T12] PKRU: 55555554
[   15.244936][   T12] Call Trace:
[   15.245072][   T12]  <TASK>
[   15.245135][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.245255][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.245375][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.245467][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.245585][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.245703][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.245825][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.245946][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.246115][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.246268][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.246417][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.246537][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.246684][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.246803][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.246929][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.247136][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.247259][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.247387][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.247505][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.247623][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.247744][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.247869][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.248038][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.248157][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.248276][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.248396][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.248516][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.248633][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.248756][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.248879][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.249050][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.249174][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.249341][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.249464][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.249586][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.249704][   T12]  kthread (kernel/kthread.c:436)
[   15.249797][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.249949][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.250119][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.250240][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.250388][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.250507][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.250626][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.253222][   T12] ------------[ cut here ]------------
| [   15.253353][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.253587][   T12] Modules linked in:
| [   15.253955][   T12] Tainted: [W]=WARN
[   15.254052][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.254198][   T12] Workqueue: netns cleanup_net
[   15.254320][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.254473][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.254898][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.255061][   T12] RAX: 00000000ffffffa6 RBX: ff11000011d3a3c0 RCX: 1ff4000000018eaf
[   15.255243][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011d3a47c
[   15.255420][   T12] RBP: ff1100000a884000 R08: 1fe22000023a7491 R09: ff11000001aed1d0
[   15.255594][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   15.255773][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009314000
[   15.255951][   T12] FS:  0000000000000000(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   15.256165][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.256313][   T12] CR2: 00007f0762401888 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.256490][   T12] PKRU: 55555554
[   15.256577][   T12] Call Trace:
[   15.256664][   T12]  <TASK>
[   15.256726][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.256852][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.256974][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.257072][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.257191][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.257310][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.257427][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.257545][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.257664][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.257810][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.257965][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.258089][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.258234][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.258351][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.258467][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.258614][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.258734][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.258861][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.258978][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.259101][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.259220][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.259339][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.259455][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.259572][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.259692][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.259811][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.259933][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.260052][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.260171][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.260288][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.260411][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.260532][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.260651][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.260772][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.260896][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.261020][   T12]  kthread (kernel/kthread.c:436)
[   15.261109][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.261254][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.261375][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.261494][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.261640][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.261757][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.261879][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.263783][   T12] ------------[ cut here ]------------
| [   15.263904][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.264142][   T12] Modules linked in:
| [   15.264500][   T12] Tainted: [W]=WARN
[   15.264590][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.264738][   T12] Workqueue: netns cleanup_net
[   15.264865][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.265025][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.265450][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.265599][   T12] RAX: 00000000ffffffa6 RBX: ff11000011d3b540 RCX: 1ff4000000018eaf
[   15.265775][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011d3b5fc
[   15.265957][   T12] RBP: ff11000009314000 R08: 1fe22000023a76c1 R09: ff11000001aed1d0
[   15.266138][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   15.266316][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a924000
[   15.266494][   T12] FS:  0000000000000000(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   15.266700][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.266851][   T12] CR2: 00007f0762401888 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.267038][   T12] PKRU: 55555554
[   15.267126][   T12] Call Trace:
[   15.267214][   T12]  <TASK>
[   15.267276][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.267395][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.267513][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.267602][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.267720][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.267841][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.267962][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.268096][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.268214][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.268362][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.268509][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.268627][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.268773][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.268897][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.269021][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.269169][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.269290][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.269410][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.269529][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.269647][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.269783][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.269906][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.270028][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.270146][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.270265][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.270384][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.270503][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.270622][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.270743][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.270863][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.270988][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.271111][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.271231][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.271353][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.271477][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.271597][   T12]  kthread (kernel/kthread.c:436)
[   15.271688][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.271837][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.271955][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.272079][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.272228][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.272345][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.272463][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.274996][   T12] ------------[ cut here ]------------
| [   15.275117][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.275349][   T12] Modules linked in:
| [   15.275712][   T12] Tainted: [W]=WARN
[   15.275801][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.275952][   T12] Workqueue: netns cleanup_net
[   15.276079][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.276232][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.276655][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.276803][   T12] RAX: 00000000ffffffa6 RBX: ff1100001029f8c0 RCX: 1ff4000000018eaf
[   15.276981][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001029f97c
[   15.277164][   T12] RBP: ff1100000a924000 R08: 1fe2200002053f31 R09: ff11000001aed1d0
[   15.277342][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   15.277517][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   15.277693][   T12] FS:  0000000000000000(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   15.277902][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.278058][   T12] CR2: 00007f0762401888 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.278235][   T12] PKRU: 55555554
[   15.278323][   T12] Call Trace:
[   15.278411][   T12]  <TASK>
[   15.278472][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.278591][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.278710][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.278800][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.278930][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.279051][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.279170][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.279288][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.279407][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.279556][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.279704][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.279828][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.279974][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.280097][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.280216][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.280363][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.280483][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.280602][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.280722][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.280842][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.280962][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.281083][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.281200][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.281318][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.281436][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.281554][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.281675][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.281792][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.281917][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.282039][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.282157][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.282278][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.282395][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.282519][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.282642][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.282763][   T12]  kthread (kernel/kthread.c:436)
[   15.282857][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.283009][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.283128][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.283251][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.283400][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.283517][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.283635][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.285688][   T12] ------------[ cut here ]------------
| [   15.285831][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.286076][   T12] Modules linked in:
| [   15.286425][   T12] Tainted: [W]=WARN
[   15.286511][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.286654][   T12] Workqueue: netns cleanup_net
[   15.286773][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.286926][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.287448][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.287593][   T12] RAX: 00000000ffffffa6 RBX: ff11000002760580 RCX: 1ff4000000018ed5
[   15.287768][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000276063c
[   15.287942][   T12] RBP: ff1100000ff71000 R08: 1fe22000004ec0c9 R09: ff11000001aed1d0
[   15.288201][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.288374][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.288545][   T12] FS:  0000000000000000(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   15.288744][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.288890][   T12] CR2: 00007f0762401888 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.289198][   T12] PKRU: 55555554
[   15.289284][   T12] Call Trace:
[   15.289368][   T12]  <TASK>
[   15.289429][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.289630][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.289773][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.289891][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.290077][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.290223][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.290338][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.290452][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.290566][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.290681][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.290795][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.290913][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.291088][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.291204][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.291321][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.291437][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.291551][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.291666][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.291778][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.291902][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.292064][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.292177][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.292300][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.292420][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.292533][   T12]  kthread (kernel/kthread.c:436)
[   15.292620][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.292760][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.292880][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.293049][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.293192][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.293307][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.293425][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.296723][   T12] ------------[ cut here ]------------
| [   15.296918][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.297274][   T12] Modules linked in:
| [   15.297825][   T12] Tainted: [W]=WARN
[   15.297959][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.298192][   T12] Workqueue: netns cleanup_net
[   15.298372][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.298598][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.299237][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.299463][   T12] RAX: 00000000ffffffa6 RBX: ff110000027611c0 RCX: 1ff4000000018ed5
[   15.299725][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000276127c
[   15.299999][   T12] RBP: ff1100000ff74000 R08: 1fe22000004ec251 R09: ff11000001aed1d0
[   15.300260][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.300517][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.300778][   T12] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   15.301096][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.301316][   T12] CR2: 00005556044532b8 CR3: 000000000e8b8004 CR4: 0000000000771ef0
[   15.301576][   T12] PKRU: 55555554
[   15.301705][   T12] Call Trace:
[   15.301838][   T12]  <TASK>
[   15.301930][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.302162][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.302375][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.302549][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.302723][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.302950][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.303138][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.303312][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.303485][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.303660][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.303837][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.304025][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.304202][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.304376][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.304551][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.304725][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.304901][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.305088][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.305262][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.305437][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.305619][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.305792][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.305979][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.306169][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.306342][   T12]  kthread (kernel/kthread.c:436)
[   15.306473][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.306689][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.306866][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.307051][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.307271][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.307449][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.307625][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.321945][   T12] ------------[ cut here ]------------
| [   15.322135][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.322471][   T12] Modules linked in:
| [   15.323004][   T12] Tainted: [W]=WARN
[   15.323137][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.323355][   T12] Workqueue: netns cleanup_net
[   15.323538][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.323770][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.324402][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.324616][   T12] RAX: 00000000ffffffa6 RBX: ff11000002761e00 RCX: 1ff4000000018ed5
[   15.324875][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000002761ebc
[   15.325131][   T12] RBP: ff1100000a884000 R08: 1fe22000004ec3d9 R09: ff11000001aed1d0
[   15.325379][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.325628][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.325893][   T12] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   15.326197][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.326416][   T12] CR2: 00005556044532b8 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.326671][   T12] PKRU: 55555554
[   15.326800][   T12] Call Trace:
[   15.326936][   T12]  <TASK>
[   15.327035][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.327252][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.327457][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.327622][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.327788][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.328015][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.328183][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.328351][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.328518][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.328690][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.328867][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.329044][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.329209][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.329377][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.329553][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.329725][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.329901][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.330077][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.330242][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.330410][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.330584][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.330751][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.330933][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.331120][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.331285][   T12]  kthread (kernel/kthread.c:436)
[   15.331413][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.331624][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.331800][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.331980][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.332208][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.332383][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.332557][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.336274][   T12] ------------[ cut here ]------------
| [   15.336448][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.336895][   T12] Modules linked in:
| [   15.338816][   T12] Tainted: [W]=WARN
[   15.338954][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.339307][   T12] Workqueue: netns cleanup_net
[   15.339487][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.339712][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.340420][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.340712][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f99c040 RCX: 1ff4000000018ed5
[   15.340973][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f99c0fc
[   15.341300][   T12] RBP: ff11000009314000 R08: 1fe2200001f33821 R09: ff11000001aed1d0
[   15.341554][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.341802][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.342133][   T12] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   15.342427][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.342638][   T12] CR2: 00005556044532b8 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.342901][   T12] PKRU: 55555554
[   15.343096][   T12] Call Trace:
[   15.343218][   T12]  <TASK>
[   15.343307][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.343520][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.343724][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.343896][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.344135][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.344354][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.344525][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.344693][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.344866][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.345114][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.345284][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.345448][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.345614][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.345783][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.345960][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.346200][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.346363][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.346533][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.346701][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.346880][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.347134][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.347298][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.347474][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.347647][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.347817][   T12]  kthread (kernel/kthread.c:436)
[   15.347947][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.348227][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.348400][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.348569][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.348782][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.348957][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.349203][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.353743][   T12] ------------[ cut here ]------------
| [   15.353880][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.354122][   T12] Modules linked in:
| [   15.354471][   T12] Tainted: [W]=WARN
[   15.354557][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.354697][   T12] Workqueue: netns cleanup_net
[   15.354815][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.354972][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.355389][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.355535][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f99d1c0 RCX: 1ff4000000018ed5
[   15.355709][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f99d27c
[   15.355888][   T12] RBP: ff1100000a924000 R08: 1fe2200001f33a51 R09: ff11000001aed1d0
[   15.356064][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.356233][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.356402][   T12] FS:  0000000000000000(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   15.356599][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.356743][   T12] CR2: 00007f0b46020000 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.356932][   T12] PKRU: 55555554
[   15.357022][   T12] Call Trace:
[   15.357106][   T12]  <TASK>
[   15.357166][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.357313][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.357455][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.357569][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.357682][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.357834][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.357950][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.358073][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.358189][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.358309][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.358424][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.358539][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.358651][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.358765][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.358886][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.359010][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.359125][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.359241][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.359353][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.359470][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.359588][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.359704][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.359825][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.359945][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.360065][   T12]  kthread (kernel/kthread.c:436)
[   15.360152][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.360295][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.360409][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.360524][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.360667][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.360789][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.360909][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.403067][   T12] ------------[ cut here ]------------
| [   15.403216][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.403457][   T12] Modules linked in:
| [   15.403817][   T12] Tainted: [W]=WARN
[   15.403915][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.404213][   T12] Workqueue: netns cleanup_net
[   15.404338][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.404491][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.404924][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.405079][   T12] RAX: 00000000ffffffa6 RBX: ff11000009e5fa80 RCX: 1ff4000000018eed
[   15.405254][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009e5fb3c
[   15.405429][   T12] RBP: ff1100000eb21000 R08: 1fe22000013cbf69 R09: ff11000001aed1d0
[   15.405614][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.405787][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.405968][   T12] FS:  0000000000000000(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   15.406182][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.406331][   T12] CR2: 00007f0b46020000 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.406510][   T12] PKRU: 55555554
[   15.406598][   T12] Call Trace:
[   15.406684][   T12]  <TASK>
[   15.406746][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.406906][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.407058][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.407178][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.407299][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.407419][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.407539][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.407659][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.407777][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.407902][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.408024][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.408143][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.408263][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.408380][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.408497][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.408619][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.408736][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.408862][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.408992][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.409110][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.409238][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.409361][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.409479][   T12]  kthread (kernel/kthread.c:436)
[   15.409567][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.409719][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.409846][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.409966][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.410124][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.410242][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.410360][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.412569][   T12] ------------[ cut here ]------------
| [   15.412688][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.412923][   T12] Modules linked in:
| [   15.413284][   T12] Tainted: [W]=WARN
[   15.413373][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.413526][   T12] Workqueue: netns cleanup_net
[   15.413648][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.413799][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.414408][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.414554][   T12] RAX: 00000000ffffffa6 RBX: ff11000009e5f380 RCX: 1ff4000000018eed
[   15.414726][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009e5f43c
[   15.414905][   T12] RBP: ff1100000eb64000 R08: 1fe22000013cbe89 R09: ff11000001aed1d0
[   15.415083][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.415258][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.415434][   T12] FS:  0000000000000000(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   15.415642][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.415787][   T12] CR2: 00007f0b46020000 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.415969][   T12] PKRU: 55555554
[   15.416062][   T12] Call Trace:
[   15.416150][   T12]  <TASK>
[   15.416212][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.416361][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.416508][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.416630][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.416748][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.416871][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.416996][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.417116][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.417233][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.417349][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.417465][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.417582][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.417701][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.417819][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.417943][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.418066][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.418184][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.418308][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.418430][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.418546][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.418674][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.418797][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.418919][   T12]  kthread (kernel/kthread.c:436)
[   15.419014][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.419163][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.419286][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.419403][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.419552][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.419670][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.419788][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.421941][   T12] ------------[ cut here ]------------
| [   15.422068][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.422296][   T12] Modules linked in:
| [   15.422654][   T12] Tainted: [W]=WARN
[   15.422742][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.422892][   T12] Workqueue: netns cleanup_net
[   15.423020][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.423173][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.423598][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.423747][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c6ba040 RCX: 1ff4000000018eed
[   15.423924][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6ba0fc
[   15.424101][   T12] RBP: ff1100000ee31000 R08: 1fe22000018d7421 R09: ff11000001aed1d0
[   15.424272][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.424448][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.424624][   T12] FS:  0000000000000000(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   15.424829][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.424977][   T12] CR2: 00007f0b46020000 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.425160][   T12] PKRU: 55555554
[   15.425247][   T12] Call Trace:
[   15.425334][   T12]  <TASK>
[   15.425394][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.425545][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.425691][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.425807][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.425931][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.426052][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.426171][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.426294][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.426412][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.426526][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.426641][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.426759][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.426880][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.427006][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.427120][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.427237][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.427354][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.427472][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.427591][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.427708][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.427833][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.427956][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.428076][   T12]  kthread (kernel/kthread.c:436)
[   15.428164][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.428309][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.428426][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.428544][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.428689][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.428807][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.428927][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.430863][   T12] ------------[ cut here ]------------
| [   15.430976][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.431212][   T12] Modules linked in:
| [   15.431565][   T12] Tainted: [W]=WARN
[   15.431652][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.431803][   T12] Workqueue: netns cleanup_net
[   15.431927][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.432083][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.432508][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.432654][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c6ba3c0 RCX: 1ff4000000018eed
[   15.432832][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6ba47c
[   15.433013][   T12] RBP: ff1100000eea1000 R08: 1fe22000018d7491 R09: ff11000001aed1d0
[   15.433186][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.433360][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.433535][   T12] FS:  0000000000000000(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   15.433739][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.433889][   T12] CR2: 00007f0b46020000 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.434069][   T12] PKRU: 55555554
[   15.434155][   T12] Call Trace:
[   15.434242][   T12]  <TASK>
[   15.434303][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.434452][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.434596][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.434714][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.434836][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.434952][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.435076][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.435194][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.435313][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.435430][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.435546][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.435663][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.435782][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.435906][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.436027][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.436142][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.436258][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.436377][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.436498][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.436618][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.436738][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.436865][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.436988][   T12]  kthread (kernel/kthread.c:436)
[   15.437077][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.437225][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.437344][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.437461][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.437605][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.437719][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.437840][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.439980][   T12] ------------[ cut here ]------------
| [   15.440101][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.440405][   T12] Modules linked in:
| [   15.440769][   T12] Tainted: [W]=WARN
[   15.440936][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.441085][   T12] Workqueue: netns cleanup_net
[   15.441207][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.441437][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.441873][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.442099][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c6ba740 RCX: 1ff4000000018eed
[   15.442275][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6ba7fc
[   15.442455][   T12] RBP: ff1100000ef89000 R08: 1fe22000018d7501 R09: ff11000001aed1d0
[   15.442708][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.442890][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.443071][   T12] FS:  0000000000000000(0000) GS:ff110000c5b47000(0000) knlGS:0000000000000000
[   15.443274][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.443420][   T12] CR2: 00007f0b46020000 CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.443670][   T12] PKRU: 55555554
[   15.443768][   T12] Call Trace:
[   15.443859][   T12]  <TASK>
[   15.443921][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.444150][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.444297][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.444417][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.444538][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.444725][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.444850][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.444975][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.445098][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.445287][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.445402][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.445518][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.445635][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.445830][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.445947][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.446071][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.446187][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.446382][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.446504][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.446619][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.446740][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.446935][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.447056][   T12]  kthread (kernel/kthread.c:436)
[   15.447145][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.447293][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.447483][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.447599][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.447746][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.447866][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.448060][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.461792][   T12] ------------[ cut here ]------------
| [   15.461934][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   15.462192][   T12] Modules linked in:
| [   15.462565][   T12] Tainted: [W]=WARN
[   15.462661][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.462818][   T12] Workqueue: netns cleanup_net
[   15.462951][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.463118][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.463552][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.463707][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c6ba900 RCX: 1ff4000000018eaf
[   15.463898][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6ba9bc
[   15.464095][   T12] RBP: ff1100000886c000 R08: 1fe22000018d7539 R09: ff11000001aed1d0
[   15.464277][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   15.464460][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008339000
[   15.464652][   T12] FS:  0000000000000000(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   15.464869][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.465030][   T12] CR2: 00007ffd5902d5f8 CR3: 000000000a7b4001 CR4: 0000000000771ef0
[   15.465217][   T12] PKRU: 55555554
[   15.465307][   T12] Call Trace:
[   15.465399][   T12]  <TASK>
[   15.465463][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.465587][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.465681][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.465805][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.465933][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.466061][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.466184][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.466308][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.466461][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.466614][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.466737][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.466894][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.467022][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.467145][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.467299][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.467425][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.467549][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.467672][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.467796][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.467935][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.468064][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.468187][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.468309][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.468431][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.468556][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.468678][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.468799][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.468926][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.469061][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.469184][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.469318][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.469441][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.469568][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.469694][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.469817][   T12]  kthread (kernel/kthread.c:436)
[   15.469915][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.470081][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.470205][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.470329][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.470482][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.470604][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.470727][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.473104][   T12] ------------[ cut here ]------------
| [   15.473225][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   15.473465][   T12] Modules linked in:
| [   15.473846][   T12] Tainted: [W]=WARN
[   15.473940][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.474103][   T12] Workqueue: netns cleanup_net
[   15.474230][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.474390][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.474833][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.474995][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f8f5e00 RCX: 1ff4000000018eaf
[   15.475179][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8f5ebc
[   15.475363][   T12] RBP: ff11000008339000 R08: 1fe2200001f1ebd9 R09: ff11000001aed1d0
[   15.475545][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   15.475727][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007941000
[   15.475915][   T12] FS:  0000000000000000(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   15.476136][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.476289][   T12] CR2: 00007ffd5902d5f8 CR3: 000000000a7b4001 CR4: 0000000000771ef0
[   15.476473][   T12] PKRU: 55555554
[   15.476564][   T12] Call Trace:
[   15.476655][   T12]  <TASK>
[   15.476719][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.476847][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.476974][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.477073][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.477195][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.477319][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.477442][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.477565][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.477690][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.477850][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.478012][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.478135][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.478286][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.478409][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.478531][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.478682][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.478807][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.478937][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.479070][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.479193][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.479319][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.479444][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.479568][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.479691][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.479816][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.479946][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.480118][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.480241][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.480366][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.480490][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.480616][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.480745][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.480873][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.481005][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.481133][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.481257][   T12]  kthread (kernel/kthread.c:436)
[   15.481349][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.481502][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.481625][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.481748][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.481905][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.482032][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.482156][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.484685][   T12] ------------[ cut here ]------------
| [   15.484807][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   15.485064][   T12] Modules linked in:
| [   15.485433][   T12] Tainted: [W]=WARN
[   15.485525][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.485677][   T12] Workqueue: netns cleanup_net
[   15.485804][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.485969][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.486413][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.486566][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe39a80 RCX: 1ff4000000018eaf
[   15.486748][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe39b3c
[   15.486935][   T12] RBP: ff11000007941000 R08: 1fe2200001fc7369 R09: ff11000001aed1d0
[   15.487124][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   15.487306][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   15.487495][   T12] FS:  0000000000000000(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   15.487709][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.487867][   T12] CR2: 00007ffd5902d5f8 CR3: 000000000a7b4001 CR4: 0000000000771ef0
[   15.488057][   T12] PKRU: 55555554
[   15.488149][   T12] Call Trace:
[   15.488239][   T12]  <TASK>
[   15.488302][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.488424][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.488548][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.488642][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.488765][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.488893][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.489020][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.489143][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.489266][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.489419][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.489572][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.489695][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.489852][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.489976][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.490103][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.490257][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.490380][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.490503][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.490628][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.490752][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.490881][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.491012][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.491134][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.491257][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.491381][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.491506][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.491630][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.491753][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.491881][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.492011][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.492136][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.492265][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.492388][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.492533][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.492662][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.492786][   T12]  kthread (kernel/kthread.c:436)
[   15.492884][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.493044][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.493168][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.493293][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.493447][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.493572][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.493696][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.496245][   T12] ------------[ cut here ]------------
| [   15.496432][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   15.496695][   T12] Modules linked in:
| [   15.497654][   T12] Tainted: [W]=WARN
[   15.497746][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.497909][   T12] Workqueue: netns cleanup_net
[   15.498090][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.498245][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.498669][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.498819][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe38900 RCX: 1ff4000000018ed5
[   15.499080][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe389bc
[   15.499257][   T12] RBP: ff1100000886c000 R08: 1fe2200001fc7139 R09: ff11000001aed1d0
[   15.499433][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.499610][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.499842][   T12] FS:  0000000000000000(0000) GS:ff110000c5ac7000(0000) knlGS:0000000000000000
[   15.500099][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.500250][   T12] CR2: 00007ffd5902d5f8 CR3: 000000000a7b4001 CR4: 0000000000771ef0
[   15.500430][   T12] PKRU: 55555554
[   15.500519][   T12] Call Trace:
[   15.500610][   T12]  <TASK>
[   15.500673][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.500830][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.500980][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.501147][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.501266][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.501420][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.501540][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.501665][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.501786][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.501915][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.502085][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.502202][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.502320][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.502440][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.502560][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.502680][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.502797][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.502921][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.503101][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.503221][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.503344][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.503464][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.503588][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.503711][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.503834][   T12]  kthread (kernel/kthread.c:436)
[   15.503924][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.504121][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.504241][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.504362][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.504511][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.504631][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.504749][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.507838][   T12] ------------[ cut here ]------------
| [   15.507972][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.508221][   T12] Modules linked in:
| [   15.508661][   T12] Tainted: [W]=WARN
[   15.508753][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.508910][   T12] Workqueue: netns cleanup_net
[   15.509052][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.509272][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.509702][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.509881][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c64d540 RCX: 1ff4000000018ed5
[   15.510125][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c64d5fc
[   15.510303][   T12] RBP: ff11000008339000 R08: 1fe22000018c9ac1 R09: ff11000001aed1d0
[   15.510486][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.510667][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.510899][   T12] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   15.511177][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.511350][   T12] CR2: 000056334d699d5c CR3: 000000000e836006 CR4: 0000000000771ef0
[   15.511530][   T12] PKRU: 55555554
[   15.511620][   T12] Call Trace:
[   15.511709][   T12]  <TASK>
[   15.511771][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.511933][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.512087][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.512239][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.512407][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.512560][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.512681][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.512801][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.512937][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.513120][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.513262][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.513382][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.513501][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.513621][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.513764][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.513941][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.514069][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.514190][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.514309][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.514430][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.514553][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.514685][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.514870][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.515004][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.515123][   T12]  kthread (kernel/kthread.c:436)
[   15.515213][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.515365][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.515484][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.515640][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.515866][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.515998][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.516120][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.519014][   T12] ------------[ cut here ]------------
| [   15.519143][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.519377][   T12] Modules linked in:
| [   15.519738][   T12] Tainted: [W]=WARN
[   15.519834][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.519989][   T12] Workqueue: netns cleanup_net
[   15.520112][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.520266][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.520701][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.520859][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c64c580 RCX: 1ff4000000018ed5
[   15.521121][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c64c63c
[   15.521304][   T12] RBP: ff11000007941000 R08: 1fe22000018c98c9 R09: ff11000001aed1d0
[   15.521480][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.521659][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.521849][   T12] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   15.522064][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.522214][   T12] CR2: 000056334d699d5c CR3: 000000000e836006 CR4: 0000000000771ef0
[   15.522392][   T12] PKRU: 55555554
[   15.522482][   T12] Call Trace:
[   15.522571][   T12]  <TASK>
[   15.522633][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.522787][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.522939][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.523063][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.523181][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.523331][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.523450][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.523567][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.523685][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.523807][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.523949][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.524075][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.524195][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.524315][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.524435][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.524555][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.524676][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.524796][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.524918][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.525045][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.525167][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.525290][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.525413][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.525535][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.525653][   T12]  kthread (kernel/kthread.c:436)
[   15.525744][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.525894][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.526018][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.526138][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.526289][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.526410][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.526529][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.620096][   T12] ------------[ cut here ]------------
| [   15.620240][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.620473][   T12] Modules linked in:
| [   15.620834][   T12] Tainted: [W]=WARN
[   15.620923][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.621074][   T12] Workqueue: netns cleanup_net
[   15.621195][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.621349][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.621755][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.621909][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c779e00 RCX: 1ff4000000018eed
[   15.622090][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c779ebc
[   15.622265][   T12] RBP: ff1100000ef44000 R08: 1fe22000018ef3d9 R09: ff11000001aed1d0
[   15.622437][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.622609][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.622782][   T12] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   15.622996][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.623143][   T12] CR2: 000056334d699d5c CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.623317][   T12] PKRU: 55555554
[   15.623404][   T12] Call Trace:
[   15.623489][   T12]  <TASK>
[   15.623554][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.623701][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.623848][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.623965][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.624090][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.624203][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.624319][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.624434][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.624552][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.624671][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.624782][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.624903][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.625024][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.625137][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.625249][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.625363][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.625476][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.625592][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.625709][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.625831][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.625950][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.626071][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.626183][   T12]  kthread (kernel/kthread.c:436)
[   15.626270][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.626412][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.626524][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.626639][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.626779][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.626902][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.627021][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.629209][   T12] ------------[ cut here ]------------
| [   15.629322][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.629541][   T12] Modules linked in:
| [   15.629889][   T12] Tainted: [W]=WARN
[   15.629974][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.630121][   T12] Workqueue: netns cleanup_net
[   15.630238][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.630382][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.630781][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.630928][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aaa5c40 RCX: 1ff4000000018eed
[   15.631100][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aaa5cfc
[   15.631267][   T12] RBP: ff1100000eeb9000 R08: 1fe2200001554ba1 R09: ff11000001aed1d0
[   15.631431][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.631597][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.631765][   T12] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   15.631974][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.632120][   T12] CR2: 000056334d699d5c CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.632291][   T12] PKRU: 55555554
[   15.632374][   T12] Call Trace:
[   15.632458][   T12]  <TASK>
[   15.632517][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.632661][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.632802][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.632920][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.633039][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.633151][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.633263][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.633376][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.633490][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.633603][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.633718][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.633836][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.633955][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.634072][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.634184][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.634296][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.634407][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.634522][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.634636][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.634748][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.634868][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.634989][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.635101][   T12]  kthread (kernel/kthread.c:436)
[   15.635186][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.635326][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.635438][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.635551][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.635689][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.635800][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.635914][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.637979][   T12] ------------[ cut here ]------------
| [   15.638100][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.638317][   T12] Modules linked in:
| [   15.638657][   T12] Tainted: [W]=WARN
[   15.638745][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.638891][   T12] Workqueue: netns cleanup_net
[   15.639013][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.639157][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.639566][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.639708][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aaa51c0 RCX: 1ff4000000018eed
[   15.639883][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aaa527c
[   15.640061][   T12] RBP: ff1100001001c000 R08: 1fe2200001554a51 R09: ff11000001aed1d0
[   15.640228][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.640397][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.640564][   T12] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   15.640771][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.640922][   T12] CR2: 000056334d699d5c CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.641096][   T12] PKRU: 55555554
[   15.641181][   T12] Call Trace:
[   15.641264][   T12]  <TASK>
[   15.641323][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.641465][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.641606][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.641720][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.641837][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.641954][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.642071][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.642183][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.642296][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.642410][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.642523][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.642636][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.642753][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.642874][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.642991][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.643104][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.643217][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.643332][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.643448][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.643560][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.643676][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.643792][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.643910][   T12]  kthread (kernel/kthread.c:436)
[   15.643998][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.644141][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.644254][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.644367][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.644508][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.644620][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.644732][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.646666][   T12] ------------[ cut here ]------------
| [   15.646781][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.647016][   T12] Modules linked in:
| [   15.647360][   T12] Tainted: [W]=WARN
[   15.647445][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.647588][   T12] Workqueue: netns cleanup_net
[   15.647706][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.647860][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.648268][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.648409][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f992040 RCX: 1ff4000000018eed
[   15.648577][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9920fc
[   15.648749][   T12] RBP: ff11000004cc1000 R08: 1fe2200001f32421 R09: ff11000001aed1d0
[   15.648923][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.649094][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.649261][   T12] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   15.649460][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.649598][   T12] CR2: 000056334d699d5c CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.649766][   T12] PKRU: 55555554
[   15.649856][   T12] Call Trace:
[   15.649940][   T12]  <TASK>
[   15.650002][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.650147][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.650289][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.650403][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.650517][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.650627][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.650740][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.650859][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.650974][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.651143][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.651265][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.651377][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.651492][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.651604][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.651716][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.651855][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.652024][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.652202][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.652383][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.652557][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.652739][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.652924][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.653087][   T12]  kthread (kernel/kthread.c:436)
[   15.653171][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.653311][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.653427][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.653539][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.653678][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.653789][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.653908][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.655805][   T12] ------------[ cut here ]------------
| [   15.655948][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.656173][   T12] Modules linked in:
| [   15.656515][   T12] Tainted: [W]=WARN
[   15.656600][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.656739][   T12] Workqueue: netns cleanup_net
[   15.656862][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.657012][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.657415][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.657558][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f9923c0 RCX: 1ff4000000018eed
[   15.657724][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f99247c
[   15.657898][   T12] RBP: ff11000001dd4000 R08: 1fe2200001f32491 R09: ff11000001aed1d0
[   15.658070][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.658239][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.658410][   T12] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   15.658611][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.658752][   T12] CR2: 000056334d699d5c CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.658927][   T12] PKRU: 55555554
[   15.659017][   T12] Call Trace:
[   15.659101][   T12]  <TASK>
[   15.659160][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.659303][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.659445][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.659557][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.659670][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.659782][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.659901][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.660023][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.660137][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.660248][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.660361][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.660474][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.660587][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.660699][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.660811][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.660931][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.661048][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.661162][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.661281][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.661392][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.661507][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.661623][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.661737][   T12]  kthread (kernel/kthread.c:436)
[   15.661827][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.661969][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.662089][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.662201][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.662341][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.662453][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.662594][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.682912][   T12] ------------[ cut here ]------------
| [   15.683059][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.683299][   T12] Modules linked in:
| [   15.683666][   T12] Tainted: [W]=WARN
[   15.683756][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.683913][   T12] Workqueue: netns cleanup_net
[   15.684044][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.684197][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.684634][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.684783][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f992580 RCX: 1ff4000000018eaf
[   15.684974][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f99263c
[   15.685213][   T12] RBP: ff1100000eb61000 R08: 1fe2200001f324c9 R09: ff11000001aed1d0
[   15.685390][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   15.685566][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fec9000
[   15.685747][   T12] FS:  0000000000000000(0000) GS:ff110000c5c47000(0000) knlGS:0000000000000000
[   15.685963][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.686163][   T12] CR2: 000056334d699d5c CR3: 000000003194d003 CR4: 0000000000771ef0
[   15.686345][   T12] PKRU: 55555554
[   15.686435][   T12] Call Trace:
[   15.686524][   T12]  <TASK>
[   15.686587][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.686711][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.686804][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.686933][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.687106][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.687226][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.687344][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.687464][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.687614][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.687765][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.687893][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.688092][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.688211][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.688331][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.688480][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.688603][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.688725][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.688853][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.688976][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.689148][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.689269][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.689388][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.689506][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.689628][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.689750][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.689876][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.690045][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.690166][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.690284][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.690405][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.690531][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.690652][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.690777][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.690909][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.691085][   T12]  kthread (kernel/kthread.c:436)
[   15.691180][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.691331][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.691450][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.691571][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.691729][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.691856][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.691978][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.695424][   T12] ------------[ cut here ]------------
| [   15.695597][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.695893][   T12] Modules linked in:
| [   15.696380][   T12] Tainted: [W]=WARN
[   15.696520][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.696723][   T12] Workqueue: netns cleanup_net
[   15.696910][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.697139][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.697622][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.697833][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a595380 RCX: 1ff4000000018eaf
[   15.698080][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a59543c
[   15.698317][   T12] RBP: ff1100000fec9000 R08: 1fe22000014b2a89 R09: ff11000001aed1d0
[   15.698549][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   15.698775][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000218c000
[   15.699029][   T12] FS:  0000000000000000(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   15.699292][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.699495][   T12] CR2: 000056337918c2c8 CR3: 000000003194d002 CR4: 0000000000771ef0
[   15.699726][   T12] PKRU: 55555554
[   15.699868][   T12] Call Trace:
[   15.700076][   T12]  <TASK>
[   15.700238][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.700471][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.700690][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.700851][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.701086][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.701261][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.701435][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.701604][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.701772][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.702064][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.702348][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.702597][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.702879][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.703069][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.703239][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.703441][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.703643][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.703819][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.704011][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.704184][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.704356][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.704528][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.704698][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.704878][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.705065][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.705240][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.705412][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.705580][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.705752][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.705930][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.706114][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.706304][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.706473][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.706649][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.706831][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.707015][   T12]  kthread (kernel/kthread.c:436)
[   15.707156][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.707359][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.707532][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.707704][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.707913][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.708099][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.708269][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.711240][   T12] ------------[ cut here ]------------
| [   15.711406][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.711695][   T12] Modules linked in:
| [   15.712184][   T12] Tainted: [W]=WARN
[   15.712323][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.712523][   T12] Workqueue: netns cleanup_net
[   15.712696][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.712914][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.713407][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.713608][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd5d380 RCX: 1ff4000000018eaf
[   15.713844][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd5d43c
[   15.714086][   T12] RBP: ff1100000218c000 R08: 1fe22000017aba89 R09: ff11000001aed1d0
[   15.714318][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   15.714544][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   15.714772][   T12] FS:  0000000000000000(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   15.715058][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.715260][   T12] CR2: 000056337918c2c8 CR3: 000000003194d002 CR4: 0000000000771ef0
[   15.715490][   T12] PKRU: 55555554
[   15.715627][   T12] Call Trace:
[   15.715765][   T12]  <TASK>
[   15.715885][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.716065][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.716238][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.716379][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.716547][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.716714][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.716892][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.717075][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.717247][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.717447][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.717652][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.717830][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.718040][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.718211][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.718380][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.718581][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.718753][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.718934][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.719116][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.719305][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.719532][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.719705][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.719884][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.720064][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.720237][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.720408][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.720582][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.720753][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.720931][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.721113][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.721313][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.721488][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.721659][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.721840][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.722028][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.722198][   T12]  kthread (kernel/kthread.c:436)
[   15.722337][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.722534][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.722707][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.722889][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.723097][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.723266][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.723433][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.726091][   T12] ------------[ cut here ]------------
| [   15.726256][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.726530][   T12] Modules linked in:
| [   15.727621][   T12] Tainted: [W]=WARN
[   15.727800][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.728063][   T12] Workqueue: netns cleanup_net
[   15.728280][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.728529][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.729070][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.729312][   T12] RAX: 00000000ffffffa6 RBX: ff1100000da15540 RCX: 1ff4000000018ed5
[   15.729577][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da155fc
[   15.729865][   T12] RBP: ff1100000eb61000 R08: 1fe2200001b42ac1 R09: ff11000001aed1d0
[   15.730148][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.730413][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.730682][   T12] FS:  0000000000000000(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   15.731010][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.731249][   T12] CR2: 000056337918c2c8 CR3: 000000003194d002 CR4: 0000000000771ef0
[   15.731524][   T12] PKRU: 55555554
[   15.731774][   T12] Call Trace:
[   15.732050][   T12]  <TASK>
[   15.732272][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.732650][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.732932][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.733186][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.733394][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.733637][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.733867][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.734097][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.734311][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.734521][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.734729][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.734943][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.735163][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.735373][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.735586][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.735778][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.735951][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.736135][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.736299][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.736466][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.736634][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.736798][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.736978][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.737163][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.737327][   T12]  kthread (kernel/kthread.c:436)
[   15.737462][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.737655][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.737820][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.738017][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.738215][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.738381][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.738545][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.741646][   T12] ------------[ cut here ]------------
| [   15.741873][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.742333][   T12] Modules linked in:
| [   15.743057][   T12] Tainted: [W]=WARN
[   15.743301][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.743574][   T12] Workqueue: netns cleanup_net
[   15.743790][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.744053][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.744606][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.744852][   T12] RAX: 00000000ffffffa6 RBX: ff1100000da15a80 RCX: 1ff4000000018ed5
[   15.745129][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da15b3c
[   15.745394][   T12] RBP: ff1100000fec9000 R08: 1fe2200001b42b69 R09: ff11000001aed1d0
[   15.745690][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.745961][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.746242][   T12] FS:  0000000000000000(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   15.746537][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.746773][   T12] CR2: 000056337918c2c8 CR3: 000000003194d002 CR4: 0000000000771ef0
[   15.747064][   T12] PKRU: 55555554
[   15.747240][   T12] Call Trace:
[   15.747415][   T12]  <TASK>
[   15.747567][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.747810][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.748072][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.748281][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.748492][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.748732][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.749016][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.749307][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.749604][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.749904][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.750137][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.750348][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.750558][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.750766][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.751038][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.751250][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.751457][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.751666][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.751939][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.752201][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.752450][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.752627][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.752793][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.752969][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.753146][   T12]  kthread (kernel/kthread.c:436)
[   15.753280][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.753474][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.753638][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.753802][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.754017][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.754180][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.754343][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.757661][   T12] ------------[ cut here ]------------
| [   15.757837][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.758193][   T12] Modules linked in:
| [   15.758733][   T12] Tainted: [W]=WARN
[   15.758915][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.759252][   T12] Workqueue: netns cleanup_net
[   15.759487][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.759758][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.760284][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.760521][   T12] RAX: 00000000ffffffa6 RBX: ff1100000294b8c0 RCX: 1ff4000000018ed5
[   15.760780][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000294b97c
[   15.761066][   T12] RBP: ff1100000218c000 R08: 1fe2200000529731 R09: ff11000001aed1d0
[   15.761331][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.761590][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.761861][   T12] FS:  0000000000000000(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   15.762166][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.762402][   T12] CR2: 000056337918c2c8 CR3: 000000003194d002 CR4: 0000000000771ef0
[   15.762663][   T12] PKRU: 55555554
[   15.762853][   T12] Call Trace:
[   15.763042][   T12]  <TASK>
[   15.763193][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.763434][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.763665][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.763881][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.764105][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.764380][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.764589][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.764796][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.765029][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.765238][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.765448][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.765660][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.766133][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.766511][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   15.766907][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.767184][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.767434][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.767688][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.767945][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.768210][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.768459][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.768617][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.768787][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.768995][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.769156][   T12]  kthread (kernel/kthread.c:436)
[   15.769289][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.769479][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.769696][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.769923][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.770205][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.770454][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.770671][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.802201][   T12] ------------[ cut here ]------------
| [   15.802365][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.802635][   T12] Modules linked in:
| [   15.803110][   T12] Tainted: [W]=WARN
[   15.803241][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.803428][   T12] Workqueue: netns cleanup_net
[   15.803592][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.803784][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.804285][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.804482][   T12] RAX: 00000000ffffffa6 RBX: ff11000009e5f700 RCX: 1ff4000000018eed
[   15.804694][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009e5f7bc
[   15.804925][   T12] RBP: ff1100000e919000 R08: 1fe22000013cbef9 R09: ff11000001aed1d0
[   15.805151][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.805368][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.805589][   T12] FS:  0000000000000000(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   15.805839][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.806042][   T12] CR2: 000056337918c2c8 CR3: 000000003194d002 CR4: 0000000000771ef0
[   15.806260][   T12] PKRU: 55555554
[   15.806392][   T12] Call Trace:
[   15.806526][   T12]  <TASK>
[   15.806631][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.806833][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.807035][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.807198][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.807365][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.807554][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.807718][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.807891][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.808065][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.808226][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.808400][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.808575][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.808764][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.808935][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.809107][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.809273][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.809440][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.809604][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.809770][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.809944][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.810117][   T12]  kthread (kernel/kthread.c:436)
[   15.810248][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.810438][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.810597][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.810764][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.810961][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.811142][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.811307][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.813947][   T12] ------------[ cut here ]------------
| [   15.814600][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.814887][   T12] Modules linked in:
| [   15.815352][   T12] Tainted: [W]=WARN
[   15.815483][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.815674][   T12] Workqueue: netns cleanup_net
[   15.815848][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.816058][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.816518][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.816726][   T12] RAX: 00000000ffffffa6 RBX: ff11000009e5f1c0 RCX: 1ff4000000018eed
[   15.816969][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009e5f27c
[   15.817200][   T12] RBP: ff1100000ff14000 R08: 1fe22000013cbe51 R09: ff11000001aed1d0
[   15.817423][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.817640][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.817870][   T12] FS:  0000000000000000(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   15.818133][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.818324][   T12] CR2: 000056337918c2c8 CR3: 000000003194d002 CR4: 0000000000771ef0
[   15.818544][   T12] PKRU: 55555554
[   15.818679][   T12] Call Trace:
[   15.818811][   T12]  <TASK>
[   15.818927][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.819140][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.819332][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.819498][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.819666][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.819835][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.820015][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.820182][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.820347][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.820510][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.820675][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.820848][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.821022][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.821186][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.821349][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.821515][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.821682][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.821878][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.822063][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.822246][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.822421][   T12]  kthread (kernel/kthread.c:436)
[   15.822565][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.822760][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.822927][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.823107][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.823302][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.823466][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.823653][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.826327][   T12] ------------[ cut here ]------------
| [   15.826488][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.826765][   T12] Modules linked in:
| [   15.827702][   T12] Tainted: [W]=WARN
[   15.827889][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.828139][   T12] Workqueue: netns cleanup_net
[   15.828354][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.828598][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.829124][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.829364][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b844c80 RCX: 1ff4000000018eed
[   15.829630][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b844d3c
[   15.829910][   T12] RBP: ff1100000ff99000 R08: 1fe22000017089a9 R09: ff11000001aed1d0
[   15.830185][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.830448][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.830711][   T12] FS:  0000000000000000(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   15.831025][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.831263][   T12] CR2: 000056337918c2c8 CR3: 000000003194d002 CR4: 0000000000771ef0
[   15.831528][   T12] PKRU: 55555554
[   15.831705][   T12] Call Trace:
[   15.831889][   T12]  <TASK>
[   15.832057][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.832306][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.832507][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.832668][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.832862][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.833037][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.833202][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.833369][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.833535][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.833698][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.833871][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.834050][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.834213][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.834378][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.834541][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.834706][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.834881][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.835062][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.835233][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.835431][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.835597][   T12]  kthread (kernel/kthread.c:436)
[   15.835733][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.835937][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.836115][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.836283][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.836508][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.836674][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.836846][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.839342][   T12] ------------[ cut here ]------------
| [   15.839507][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.839790][   T12] Modules linked in:
| [   15.840732][   T12] Tainted: [W]=WARN
[   15.840963][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.841257][   T12] Workqueue: netns cleanup_net
[   15.841514][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.841780][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.842359][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.842600][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b845540 RCX: 1ff4000000018eed
[   15.842885][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8455fc
[   15.843163][   T12] RBP: ff11000004f74000 R08: 1fe2200001708ac1 R09: ff11000001aed1d0
[   15.843433][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.843696][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.843974][   T12] FS:  0000000000000000(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   15.844288][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.844533][   T12] CR2: 000056337918c2c8 CR3: 000000003194d002 CR4: 0000000000771ef0
[   15.844801][   T12] PKRU: 55555554
[   15.845001][   T12] Call Trace:
[   15.845179][   T12]  <TASK>
[   15.845333][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.845579][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.845817][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.846055][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.846270][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.846479][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.846692][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.846913][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.847141][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.847354][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.847568][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.847783][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.848017][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.848230][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.848440][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.848653][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.848914][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.849180][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.849454][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.849713][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.849977][   T12]  kthread (kernel/kthread.c:436)
[   15.850297][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.850581][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.850771][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.850946][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.851158][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.851325][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.851490][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.853936][   T12] ------------[ cut here ]------------
| [   15.854119][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.854397][   T12] Modules linked in:
| [   15.854851][   T12] Tainted: [W]=WARN
[   15.855001][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.855196][   T12] Workqueue: netns cleanup_net
[   15.855373][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.855570][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.856129][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.856422][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b8443c0 RCX: 1ff4000000018eed
[   15.856696][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b84447c
[   15.856977][   T12] RBP: ff11000004ce9000 R08: 1fe2200001708891 R09: ff11000001aed1d0
[   15.857298][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.857565][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.857838][   T12] FS:  0000000000000000(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   15.858147][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.858385][   T12] CR2: 000056337918c2c8 CR3: 000000003194d002 CR4: 0000000000771ef0
[   15.858664][   T12] PKRU: 55555554
[   15.858847][   T12] Call Trace:
[   15.859040][   T12]  <TASK>
[   15.859191][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.859434][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.859670][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.859887][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.860166][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.860375][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.860587][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.860803][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.861045][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.861254][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.861463][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.861672][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.861884][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.862111][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.862324][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.862578][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.862849][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.863131][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.863390][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.863650][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.863852][   T12]  kthread (kernel/kthread.c:436)
[   15.863999][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.864194][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.864359][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.864525][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.864721][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.864897][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.865074][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.884546][   T12] ------------[ cut here ]------------
| [   15.884713][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.885023][   T12] Modules linked in:
| [   15.885490][   T12] Tainted: [W]=WARN
[   15.885626][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.885831][   T12] Workqueue: netns cleanup_net
[   15.886019][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.886225][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.886711][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.886918][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b844040 RCX: 1ff4000000018eaf
[   15.887154][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8440fc
[   15.887381][   T12] RBP: ff11000004c3c000 R08: 1fe2200001708821 R09: ff11000001aed1d0
[   15.887608][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   15.887842][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   15.888084][   T12] FS:  0000000000000000(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   15.888342][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.888542][   T12] CR2: 000056337918c2c8 CR3: 000000003194d002 CR4: 0000000000771ef0
[   15.888772][   T12] PKRU: 55555554
[   15.888918][   T12] Call Trace:
[   15.889064][   T12]  <TASK>
[   15.889173][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.889346][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.889486][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.889656][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.889830][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.890012][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.890180][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.890349][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.890550][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.890750][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.890926][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.891105][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   15.891273][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.891473][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.891646][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.891817][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.892009][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.892179][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.892349][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.892519][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.892686][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.892870][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.893052][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.893220][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.893391][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.893560][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.893729][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.893910][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.894093][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.894266][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.894440][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.894608][   T12]  kthread (kernel/kthread.c:436)
[   15.894745][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.894953][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.895133][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.895302][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.895499][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.895668][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.895844][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.898442][   T12] ------------[ cut here ]------------
| [   15.898604][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.898886][   T12] Modules linked in:
| [   15.899508][   T12] Tainted: [W]=WARN
[   15.899641][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.899837][   T12] Workqueue: netns cleanup_net
[   15.900021][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.900222][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.900686][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.900886][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a594040 RCX: 1ff4000000018ed5
[   15.901115][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a5940fc
[   15.901332][   T12] RBP: ff11000004c3c000 R08: 1fe22000014b2821 R09: ff11000001aed1d0
[   15.901549][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.901767][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.902009][   T12] FS:  0000000000000000(0000) GS:ff110000c5bc7000(0000) knlGS:0000000000000000
[   15.902259][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.902451][   T12] CR2: 000056337918c2c8 CR3: 000000003194d002 CR4: 0000000000771ef0
[   15.902671][   T12] PKRU: 55555554
[   15.902802][   T12] Call Trace:
[   15.902943][   T12]  <TASK>
[   15.903064][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.903262][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.903456][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.903621][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.903786][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.903956][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.904133][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.904301][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.904466][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   15.904626][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.904791][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.904957][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.905130][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.905295][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.905458][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.905621][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.905785][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.905954][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.906130][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.906318][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.906490][   T12]  kthread (kernel/kthread.c:436)
[   15.906641][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.906861][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.907073][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.907247][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.907459][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.907630][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo_newnet:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_link:netdev_master_upper_dev_link
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netdev_compute_master_upper_features:br_add_if
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6_tnl_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_unlink:netdev_upper_dev_unlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:call_netdevice_notifiers:br_add_if
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:linkwatch_sync_dev:rtnl_getlink
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netif_change_name:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:ops_undo_list
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:__dev_set_promiscuity:netif_set_promiscuity
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:__ip_tunnel_create:ip_tunnel_init_net